Boston water works, Sudbury River Conduit, 1876, Dam I, view showing location of dam and bridges on Winter Street over Sudbury River.
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Boston water works, Sudbury River Conduit, Sept. 1876, Dam III, Rubble masonry foundations, southeast corner of gate house.
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Boston water works, Sudbury River Conduit, Aug. 1876, Dam no. 1, Pairing below overflow, south side of river.
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Boston water works, Sudbury River Conduit, 1876, Dam no. 1, view of foundations, looking towards Frasts(?).
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Current testing apparatus.
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Sudbury River Conduit, Nov. 6, 1876, Div. I Sec. I, current meter.
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Sudbury River Conduit, Nov. 6, 1876, ditch in woods for temporary ... between Farm Pond and Lake Schituate showing apparatus for rating current meter.
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Sudbury River Conduit, Nov. 6, 1876, ditch in woods for temporary ... between Farm Pond and Lake Schituate showing apparatus for rating current meter.
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Boston Water works, Sudbury River Conduit, Nov. 6, 1876, automatic apparatus for recording heights of water at dam on Sudbury River.
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Sudbury River Conduit, Nov. 6, 1876, wooden dam on Sudbury River.
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Boston Water works, Sudbury River Conduit, Nov. 6, 1876, south end of wooden dam on Sudbury River showing R.R. bridge and small bridge used for taking experiments with current water.
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