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NOAA Photo Library Image - theb1135

Tape contact at end of comparator. Basically calibrating steel tapes - first use of steel measuring tapes by C&GS. Nine bases being measured on 98th Meridian by base line party under A.L. Baldwin . Fig. No. 14, Appendix No. 3, Report of Superintendent ... 1901, p. 260

Image ID: theb1135, 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:
June 10, 2016