Reading ammeter commutator clock and battery box measuring underflow in Wautagh pond. Long Island, New York. 1903.
Dates
Date Taken
1903-08-14
Summary
Reading ammeter commutator clock and battery box in use in the field, measuring underflow in Wautagh pond. Long Island, New York. August 14, 1903. Plate 22-B in U.S. Geological Survey Professional Paper 44. 1906.
Summary
Reading ammeter commutator clock and battery box in use in the field, measuring underflow in Wautagh pond. Long Island, New York. August 14, 1903. Plate 22-B in U.S. Geological Survey Professional Paper 44. 1906.
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