pl23_theb1330.jpg
![Mendenhall half-second pendulums theb1330.jpg Mendenhall half-second pendulums](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1330.jpg)
Description
Mendenhall half-second pendulums.Figure 2 of William Bowie's Investigations of Gravity and Isostasy
Credit
NOAA Central Library
Display Date
Ca. 1895
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Gravity