Making contact at rear end of tape.
Man standing is maintaining pre-set constant tension on line.
Man kneeling is reading tape.
Fig. No. 11, Appendix No. 3, Report of Superintendent ... 1901, p. 258
Image ID: theb1138, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1901
Category: Geodesy/Base Line/
• High Resolution Photo Available
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