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![Original form of Mendenhall half-second pendulum gravity measuring apparatus theb1332.jpg Original form of Mendenhall half-second pendulum gravity measuring apparatus](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1332.jpg?itok=i_PaWQ98)
Description
Original form of Mendenhall half-second pendulum gravity measuring apparatus.Figure 3 of William Bowie's Investigations of Gravity and Isostasy (Image credit: NOAA Central Library)
Credit
NOAA Central Library
Display Date
Ca. 1895
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Gravity