381. Turbine. Back gate Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: December 1850 Institution: University of Massachusetts Lowell, Center for Lowell History
382. Turbine. Back gate Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: December 10, 1850 Institution: University of Massachusetts Lowell, Center for Lowell History
383. Turbine. Beam and stands Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 1851 Institution: University of Massachusetts Lowell, Center for Lowell History
384. Turbine. Beam for diffuser Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: December 31, 1850 Institution: University of Massachusetts Lowell, Center for Lowell History
385. Turbine. Beveled gears Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 18, 1851 Institution: University of Massachusetts Lowell, Center for Lowell History
386. Turbine. Beveled gears Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 16, 1855 Institution: University of Massachusetts Lowell, Center for Lowell History
387. Turbine by U. A. Boyden Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: [ca. 1822–1952] Institution: University of Massachusetts Lowell, Center for Lowell History
388. Turbine by U. A. Boyden Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: [ca. 1822–1952] Institution: University of Massachusetts Lowell, Center for Lowell History
389. Turbine by U. A. Boyden Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: March 7, 1849 Institution: University of Massachusetts Lowell, Center for Lowell History
390. Turbine. Cast iron flume Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 1851 Institution: University of Massachusetts Lowell, Center for Lowell History
391. Turbine. Cast iron flume Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: August 28, 1850 Institution: University of Massachusetts Lowell, Center for Lowell History
392. Turbine. Cast iron flume Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: November 21, 1850 Institution: University of Massachusetts Lowell, Center for Lowell History
393. Turbine. Column, diffuser and beam Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 1855 Institution: University of Massachusetts Lowell, Center for Lowell History
394. Turbine. Columns supporting shaft Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: [ca. 1822–1952] Institution: University of Massachusetts Lowell, Center for Lowell History
395. Turbine. Cushions Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: January 15, 1846 Institution: University of Massachusetts Lowell, Center for Lowell History
396. Turbine. Diffuser Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: February 4, 1852 Institution: University of Massachusetts Lowell, Center for Lowell History
397. Turbine. Diffuser. Beam and column Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: March 21, 1855 Institution: University of Massachusetts Lowell, Center for Lowell History
398. Turbine. Disc and pipe Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: November 10, 1854 Institution: University of Massachusetts Lowell, Center for Lowell History
399. Turbine. Elevation at b Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: August 1854 Institution: University of Massachusetts Lowell, Center for Lowell History
400. Turbine. First beveled gear Creator: Proprietors of the Locks and Canals on Merrimack River Format: Drawings/Illustrations Collection: Proprietors of Locks and Canals on Merrimack River Engineering Drawings Date: August 13, 1850 Institution: University of Massachusetts Lowell, Center for Lowell History