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After making contact, the forward end of tape is moved ahead Picture

After making contact, the forward end of tape is moved ahead

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

Photo Category: Geodesy - Base Line
Photo Date: 1901

Author: NOAA

License: Public Domain Mark 1.0 (Public domain)
640 x 422 51.45 KB
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Added On
18th October 2015
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