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You searched for: Collection Proprietors of Locks and Canals on Merrimack River Engineering Drawings Remove constraint Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Institution University of Massachusetts Lowell, Center for Lowell History Remove constraint Institution: University of Massachusetts Lowell, Center for Lowell History Topic Mills Remove constraint Topic: Mills

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10 ft turbine
10 ft turbine
10 ft turbine
10 ft turbine. Floats and guides
10 ft turbine. General section
10 ft turbine. Head gates
10 ft turbine. Regulating apparatus
11 ft turbine
11 ft turbine. Water discharged
11 ft turbine. Water discharged
11 ft turbine. Water discharged
30 C. R. H. Vertical Hercules turbine
38 gear
13. 38 gear
42" Rodney Hunt turbines. Test
54" Swain turbine
54" Swain wheel
54" turbine by N. Hill
72" Swain wheel
90" turbine. Bucket and guides
90" turbine. Spinning mill