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pl23_theb1143.jpg

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https://www.noaa.gov/media/digital-library-photo/pl23theb1143jpg-0

Description

Aligning support nails for steel tapes.Fig. No. 10, Appendix No. 3, Report of Superintendent ... 1901, p. 258

Display Date

1901

Collection

Historic Coast & Geodetic Survey

Keywords

Geodesy

Base Line