Little Androscoggin Mill No. 2 Wheel House: At Gully Brook

Introduction

The industrial history of Lewiston, Maine, was shaped by the Androscoggin River and the network of dams, canals, weirs, turbines, and mill buildings developed to harness its energy. During the nineteenth century, waterpower attracted manufacturers to Lewiston, supported the expansion of textile production, and helped transform the community into one of New England’s important industrial centers. Among the less conspicuous but historically significant components of this system was the No. 2 Mill Wheel House, also known as Bates Centennial Station, at 352 Lincoln Street. Constructed in 1867, the wheel house supplied waterpower to Little Androscoggin Mill No. 2 and formed part of the engineered watercourse associated with Gully Brook and the southern portion of Lewiston’s mill district.¹

The wheel house illustrates the close relationship between industrial architecture and hydraulic engineering. Its foundations, turbine space, retaining walls, weir, and spillway were designed around the movement of water rather than simply to accommodate manufacturing activities within a conventional factory building. Water directed through the installation turned a turbine, converting the river’s hydraulic energy into mechanical power for the mill. After passing through the machinery, the water continued through the discharge system and ultimately returned to the Androscoggin River. The installation therefore formed one part of a larger industrial network in which water was diverted, controlled, used, and returned downstream.²

Understanding the wheel house requires distinguishing the manufacturing building from the structure that supplied its power. Little Androscoggin Mill No. 2 was a mill building; the No. 2 Mill Wheel House was a separate power installation. Although the two were functionally connected, their names describe different parts of the industrial complex. Their history also belongs within the wider development of Lewiston’s canal system, where several mill properties shared an infrastructure of controlled waterways. The surviving historic documentation establishes the wheel house’s date, location, physical characteristics, and general function. Its exact turbine specifications, total horsepower, manufacturer, and date of any later conversion to electrical power remain unverified.

Lewiston’s Industrial Waterpower System

Lewiston’s industrial development depended on the ability to convert the elevation drop of the Androscoggin River into a dependable source of mechanical energy. Beginning in the mid-nineteenth century, developers constructed dams and canals to divert water from the river and distribute it to manufacturing establishments. The resulting infrastructure supported multiple industrial complexes rather than a single factory. The Lewiston Mills and Water Power System Historic District, listed in the National Register of Historic Places in 2015, recognizes the importance of this interconnected industrial landscape to the city’s economic development, architecture, and engineering history.³

The basic principle was straightforward. A dam maintained an elevated upstream water level, while gates controlled the amount of water entering the canal system. Canals conveyed water toward the mills, and weirs and sluiceways regulated its distribution. At an individual installation, water was directed through a turbine or waterwheel, which converted the energy of falling water into rotational motion. Mechanical connections then transferred that motion to the machinery used in manufacturing.

The system depended on differences in elevation. Water held at a higher level possessed potential energy. When it descended through a controlled passage, the turbine extracted part of that energy and converted it into mechanical work. The remaining water continued downstream. The amount of power available depended on the quantity of water, the vertical drop, and the efficiency of the machinery.

Lewiston’s canal network included the Upper Canal, Lower Canal, and several cross canals. These channels connected different portions of the industrial district and provided multiple routes for supplying mills and discharging water. The system required coordinated management because several manufacturing establishments depended on the same hydraulic infrastructure. A change in water level or flow could affect the operation of more than one mill.⁴

Henry Albert Pressey’s 1902 report, Water Powers of the State of Maine, describes Lewiston’s waterpower resources and identifies numerous industrial users, including the Androscoggin, Continental, Bates, Hill, Lewiston, Lincoln, and other mills. Pressey reported that the river’s natural fall was approximately thirty-eight feet and that the dam increased the available fall to about fifty feet. These figures describe the larger Lewiston waterpower system; they should not be mistaken for the precise hydraulic head available at the No. 2 Mill Wheel House.⁵

The Union Water Power Company played an important role in this arrangement by maintaining waterpower infrastructure and leasing power to industrial users. Pressey reported annual rental rates ranging from five to twelve dollars and fifty cents per horsepower, depending on the lease. Those rates demonstrate that waterpower was both a physical resource and a commercial service. They do not establish the amount of power purchased by Little Androscoggin Mill No. 2 or the specific cost of operating its wheel house.⁶

The No. 2 Mill Wheel House: Construction and Location

The No. 2 Mill Wheel House was constructed in 1867, during a period of continuing industrial expansion in Lewiston. The historic-district inventory identifies it at 352 Lincoln Street, on Tax Map 197, Lots 14 and 15. The building stands partially over the western outflow of Gully Brook, northwest of the Cumberland Mill complex. Its documented industrial association is with the southern portion of the Androscoggin Mill complex.⁷

The building’s position reflects its specialized purpose. Rather than standing independently beside a stream, it occupied a location where water was controlled and directed through an engineered industrial installation. Its relationship to Gully Brook, the adjacent weir, and the downstream channel allowed the turbine to use the available drop in water level.

The historic survey describes the wheel house as a one-story structure with an exposed basement. The lower portion accommodated the turbine, while the building above enclosed the machinery and provided access. The survey records four regularly spaced sixteen-over-sixteen sash windows on the south façade and a door and small window on the east façade. A short catwalk crossed Gully Brook to provide access to the building.⁸

The foundation was particularly important to the installation. The survey describes buttressed piers that appear to have been constructed with hydraulic cement and founded on the bottom of Gully Brook. A dry-laid granite-block buttress reinforced the northwest corner, while another dry-laid wall stood along the eastern bank. Evidence of balloon framing was observed above the granite wall.

These structural features demonstrate the challenges involved in building a power facility over a watercourse. The building needed a stable foundation while allowing water to pass through the installation. Its retaining walls and piers were not merely architectural details; they formed part of the physical arrangement that supported the turbine and controlled the surrounding channel.

The name Bates Centennial Station is associated with the wheel house in the historic documentation. The precise date when this name first came into use, and the circumstances that led to its adoption, have not been established by the records consulted. The name should therefore be understood as a later or alternate identification of the structure, not as evidence by itself of a particular electrical installation or operating date.⁹

Little Androscoggin Mill No. 2 and Its Wheel House

Little Androscoggin Mill No. 2 was a manufacturing building whose operation depended on the mechanical energy supplied by the wheel house. The distinction between the mill and the wheel house is fundamental to understanding the site. The mill housed manufacturing activity; the wheel house accommodated the turbine and associated waterpower machinery.

The wheel house’s function was to transform the energy of moving water into useful mechanical motion. Water directed through the installation turned the turbine beneath the building. The rotating shaft provided the mechanical output needed to operate the mill’s equipment. The available historical descriptions establish the presence of a turbine, but they do not identify its manufacturer, model, rated horsepower, or precise mechanical arrangement.¹⁰

In a nineteenth-century textile factory, a turbine’s rotating shaft could transmit power through gears, belts, and line shafts. A main shaft might run along a mill floor, with belts carrying motion to individual machines. Depending on the factory’s production, the machinery could include equipment for preparing fibers, spinning yarn, weaving cloth, or carrying out other manufacturing processes.

The wheel house should therefore be understood as an essential component of the manufacturing operation rather than simply a small building beside Gully Brook. Without a dependable source of mechanical power, the mill’s machinery could not operate at its intended capacity. The turbine connected the hydraulic system outside the building with the mechanical processes carried on inside the mill.

The exact configuration of that connection remains an important subject for further research. The historic-district nomination identifies the wheel house’s general function and physical arrangement but does not provide a complete machinery schedule or engineering drawing showing the transmission from the turbine to individual machines in Little Androscoggin Mill No. 2. Consequently, the mill’s dependence on the wheel house can be established, while the precise horsepower and internal distribution of that power remain unknown.

Gully Brook, the Weir, and the Tailrace

Gully Brook formed an important part of the industrial watercourse associated with the wheel house. The historic-district documentation identifies the Androscoggin Weir at the southern end of the Upper Canal, above a sluiceway leading toward Gully Brook. The inventory also describes a local weir, spillway, and damming structures near the No. 2 Mill Wheel House. Together, these features demonstrate that the movement of water through the area was controlled by engineered structures rather than determined entirely by the brook’s natural course.¹¹

The local weir regulated the drop of water toward the turbine beneath the wheel house. Nearby retaining walls and a spillway helped shape the passage of water through the installation. After passing through the turbine, the water entered the downstream discharge system. The channel carrying water away from a turbine is known as a tailrace.

This distinction between supply and discharge is central to reconstructing the mill system. A headrace or intake channel delivers water to a turbine; a tailrace carries it away after it has supplied mechanical energy. The water is not consumed in the process. It continues downstream, having surrendered part of its potential energy to the machinery.

In the Lincoln Street area, the smaller Androscoggin Mill complex and its tailrace were part of a broader arrangement of mill passages and waterways leading back toward the river. The wheel house’s position on the western outflow of Gully Brook places it within this engineered landscape. Nevertheless, the exact route taken by every channel cannot be established from the building description alone. A detailed engineering plan would be needed to reconstruct the precise alignment of each intake, turbine passage, and tailrace.

The distinction matters because Lewiston’s industrial system contained several separate routes. Water passing through one mill could discharge through a particular tailrace, while another branch served a different mill or turbine. Cross canals, weirs, and controlled passages allowed the waterpower network to accommodate multiple industrial users. It would therefore be inaccurate to assume that every mill in the district used the same uninterrupted flow of water.

The No. 2 Mill Wheel House represents one specific application of this broader system. Its turbine used water controlled by the local hydraulic structures, and the water continued downstream after passing through the machinery. Gully Brook served as part of the watercourse connecting the industrial installation with the downstream river system.

How the Turbine Powered the Mill

The conversion of waterpower into mechanical work was the wheel house’s central function. As water moved through the turbine, it exerted force on the moving components, producing rotation. The turbine shaft transmitted this motion to the mill’s mechanical drive system.

The precise turbine design at the No. 2 Mill Wheel House has not been established. Although historical descriptions identify a turbine, they do not provide enough information to determine its manufacturer, model, dimensions, blade configuration, or rated output. It would therefore be speculative to assign a horsepower figure or identify a particular make of turbine.

The distinction between a waterwheel and a turbine is also important. Both convert water energy into rotation, but they use different mechanical arrangements. A traditional waterwheel receives water against a wheel’s paddles or buckets, while a turbine directs water through passages and moving components designed to extract energy. Because the historic survey specifically describes a turbine, the wheel house is best understood as a turbine installation rather than assumed to have contained a conventional overshot or undershot waterwheel.

The mechanical power produced by the turbine could be distributed through shafts, belts, and gears. This system allowed power generated at one point to operate machinery elsewhere in the mill. It also meant that the design of the building, the placement of the machinery, and the arrangement of the drive shafts were closely related.

The wheel house was consequently an interface between the hydraulic and manufacturing systems. Its location determined where water energy was converted into mechanical power, while its machinery provided the connection to the mill’s production equipment.

Steam Power and the Development of Electrical Technology

The history of Lewiston’s mills unfolded during a period when waterpower, steam power, and electricity could coexist within the same industrial district. Waterpower supplied mechanical energy directly through turbines and shafts. Steam engines could provide another source of mechanical power, while electric motors eventually allowed machinery to operate without requiring a direct mechanical connection to a central turbine.

The historic-district inventory identifies a boiler house among the buildings associated with the mill complex. This establishes the presence of boiler-related infrastructure, but it does not prove that steam engines drove the No. 2 Mill Wheel House or that steam replaced its turbine. A boiler could supply process heat or serve auxiliary equipment without being the main source of mechanical power.¹²

Similarly, the expansion of electric lighting and generation in Lewiston does not establish when the wheel house itself became electrified. A mill could install electric lights while continuing to operate its production machinery through water-driven shafting. Later, electric motors could replace or supplement the older mechanical drives.

The alternate name Bates Centennial Station should not be used alone to conclude that the wheel house generated electricity. The records consulted do not establish the date of an electrical conversion, the installation of a generator, or the use of the building as a later electrical powerhouse. The building’s original waterpower function is documented; its subsequent electrical history remains unresolved.

The distinction between direct waterpower and hydroelectric power is important. In a direct-drive installation, the turbine mechanically operates machinery through shafts and belts. In a hydroelectric installation, a turbine drives a generator, which produces electricity for distribution to motors, lighting, or other equipment. The two systems use the same basic hydraulic resource but convert its energy in different ways.

For the No. 2 Mill Wheel House, the available evidence supports the original turbine-driven arrangement. Determining whether that arrangement continued into the twentieth century, and whether electrical equipment was later installed, requires additional evidence from engineering plans, utility records, industrial surveys, or insurance maps.

The Surrounding Mill Complex and Later Changes

The wheel house belonged to a larger industrial landscape that included other manufacturing and support buildings. The historic-district nomination identifies Mills Nos. 2 and 3, a boiler house, a picker house, and a storehouse among the associated buildings. These structures served different purposes within the manufacturing operation, although the surviving description does not establish the complete equipment or operating procedures of each building.¹³

The picker house was associated with the preparation of textile material, while the boiler house indicates that heat-producing equipment was present in the complex. The storehouse provided storage space. Together with the wheel house and the mill buildings, these structures formed a coordinated industrial site in which waterpower, manufacturing, storage, and supporting functions were spatially connected.

The historic inventory reports that the associated buildings had been demolished by 1993. The No. 2 Mill Wheel House was documented separately as a contributing building within the historic district. The disappearance of the surrounding structures altered the setting in which the wheel house could be understood, leaving it as evidence of a larger industrial complex that no longer survives intact.¹⁴

This loss highlights the importance of preserving industrial infrastructure as well as prominent factory buildings. Canals, weirs, wheel houses, tailraces, and retaining walls reveal how power was generated and distributed. Without them, the relationship between the river and the manufacturing buildings becomes difficult to reconstruct.

The wheel house’s surviving physical characteristics preserve evidence of the practical engineering used to accommodate waterpower. Its exposed basement, turbine space, retaining walls, catwalk, and relationship to Gully Brook show how a building could be designed around the requirements of a hydraulic installation.

Historical Significance and Unresolved Questions

The No. 2 Mill Wheel House is significant because it provides a specific example of the engineering infrastructure that supported Lewiston’s industrial growth. Built in 1867, it formed part of a system that converted the Androscoggin River’s energy into mechanical power for textile manufacturing. Its association with Little Androscoggin Mill No. 2 establishes the relationship between the turbine installation and the manufacturing building it served.

The structure also illustrates the complexity of Lewiston’s waterpower network. Water entered the canal system, was controlled by dams and weirs, and passed through turbines at individual mill installations. After supplying power, it continued through tailraces and downstream channels before returning to the river. Gully Brook was part of this engineered landscape, and the wheel house occupied a position where water movement and mechanical power generation were closely connected.

Several important questions remain unanswered. The available sources do not establish the turbine’s manufacturer, horsepower, or exact dimensions. They do not provide a complete operating chronology or identify the date when the turbine stopped supplying mechanical power. Nor do they establish whether the wheel house was converted to electrical generation or when such a change might have occurred.

These questions could be investigated through Union Water Power Company leases, engineering drawings, historic Sanborn fire-insurance maps, Maine manufacturing reports, and utility records. Waterpower leases might establish the quantity of power allocated to the mill, while engineering drawings could reveal the turbine arrangement and the exact course of the intake and tailrace. Insurance maps could help document the relationship between the wheel house, boiler house, and other mill buildings over time.

Such evidence would allow a more detailed reconstruction of the installation’s operating history. Until those records are identified, the turbine’s general function and the building’s relationship to Little Androscoggin Mill No. 2 should be distinguished from unverified technical details.

Conclusion

The No. 2 Mill Wheel House, also known as Bates Centennial Station, was an important component of Lewiston’s nineteenth-century waterpower infrastructure. Constructed in 1867, it housed a turbine that supplied mechanical power to Little Androscoggin Mill No. 2. Its position over the western outflow of Gully Brook, together with its foundation piers, retaining walls, weir, spillway, and exposed basement, reflects the close integration of industrial architecture and hydraulic engineering.

The wheel house formed part of a larger system in which the Androscoggin River supplied water to canals and mill passages. Controlled drops in elevation drove turbines, mechanical connections transferred their rotation to manufacturing machinery, and tailraces returned the water downstream. This coordinated system supported the growth of Lewiston’s industrial district and made the river’s energy available to multiple manufacturing establishments.

The building’s historical importance lies not only in its original power-producing function but also in what it reveals about the organization of the industrial landscape. The wheel house demonstrates how watercourses were adapted to manufacturing and how specialized structures linked the natural environment with factory production. Although the exact horsepower, turbine manufacturer, operating lifespan, and electrical history remain uncertain, the documented evidence establishes its role as a waterpower installation serving Little Androscoggin Mill No. 2.

Footnotes

1. Christi Mitchell, Lewiston Mills and Water Power System Historic District, National Register of Historic Places Registration Form (Lewiston, ME: Maine Historic Preservation Commission, 2015), 8; Kevin LeDuc, “Boiler House,” Murals Portfolio, From the Echoes, Still: Maine’s Industrial Remnants Collection, 2024–2028.

2. Mitchell, Lewiston Mills and Water Power System Historic District, 8.

3. Maine Historic Preservation Commission, “Lewiston Mills and Water Power System Historic District, Lewiston, Androscoggin County, 1850–1950,” National Register of Historic Places listing, April 1, 2015.

4. Henry Albert Pressey, Water Powers of the State of Maine, Water-Supply and Irrigation Paper no. 69 (Washington, DC: Government Printing Office, 1902), 72–74.

5. Pressey, Water Powers of the State of Maine, 72–74.

6. Pressey, Water Powers of the State of Maine, 73–74.

7. Mitchell, Lewiston Mills and Water Power System Historic District, 8.

8. Mitchell, Lewiston Mills and Water Power System Historic District, 8.

9. Mitchell, Lewiston Mills and Water Power System Historic District, 8; City of Lewiston, “Lewiston Mills and Water Power System Historic District,” City Council agenda materials, September 5, 2017.

10. Mitchell, Lewiston Mills and Water Power System Historic District, 8; LeDuc, “Boiler House.”

11. Mitchell, Lewiston Mills and Water Power System Historic District, 8; City of Lewiston, Zoning and Land Use Code, appendix A, article XV, entries for the Androscoggin Weir, Gully Brook, and No. 2 Mill Wheel House.

12. Mitchell, Lewiston Mills and Water Power System Historic District, 8.

13. Mitchell, Lewiston Mills and Water Power System Historic District, 8; LeDuc, “Boiler House.”

14. Mitchell, Lewiston Mills and Water Power System Historic District, 8.

Bibliography

City of Lewiston, Maine. Zoning and Land Use Code. Appendix A, Article XV, “Significant Buildings and Districts.” Lewiston, ME.

———. “Lewiston Mills and Water Power System Historic District.” City Council agenda materials, September 5, 2017.

LeDuc, Kevin. “Boiler House.” Murals Portfolio. From the Echoes, Still: Maine’s Industrial Remnants Collection, 2024–2028.

Maine Historic Preservation Commission. “Lewiston Mills and Water Power System Historic District, Lewiston, Androscoggin County, 1850–1950.” National Register of Historic Places listing. April 1, 2015.

Mitchell, Christi. Lewiston Mills and Water Power System Historic District. National Register of Historic Places Registration Form. Lewiston, ME: Maine Historic Preservation Commission, 2015.

Pressey, Henry Albert. Water Powers of the State of Maine. Water-Supply and Irrigation Paper no. 69. Washington, DC: Government Printing Office, 1902.