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pl23_theb4102.jpg

Main driving gears and automatic stopping devices of Coast and Geodetic SurveyTide Predictng Machine No

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb4102jpg-0

Description

Main driving gears and automatic stopping devices of Coast and Geodetic SurveyTide Predictng Machine No. 2.

Collection

Historic Coast & Geodetic Survey