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NOAA Photo Library Image - theb1137

After making contact, the forward end of tape is moved ahead. Note lantern and flashlight - these operations were conducted at night. Relatively constant night temperatures minimized expansion of tape. Fig. No. 12, Appendix No. 3, Report of Superintendent ... 1901, p. 258

Image ID: theb1137, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1901


Category: Geodesy/Base Line/

High Resolution Photo Available





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Last Updated:
April 30, 2013