Zenith Telescope Small 169×320 Medium 339×640 Large 542×1024 Download TIFF Original 1270×2400 | (1.2 MB) Description The zenith telescope used in surveying. Keywords geodetic survey, surveying tool, zenith telescope Galleries Surveying Tools Source: Coast and Geodetic Survey: July 1, 1899, to June 30, 1900 (Washington, DC: United States Government Printing Office, 1901)
