Description and Instructions for Use of Warner and Swasey Azimuth Instrument, Model of 1910, December 14, 1911/fr-ca/description-and-instructions-for-use-of-warner-and-swasey-azimuth-instrument-model-of-1910-december-14-1911/CA5BA29E-073A-4BB7-A7DB-2DF79232625C.htmlCA5BA29E-073A-4BB7-A7DB-2DF79232625C
Description and Instructions for Use of Warner and Swasey Azimuth Instrument, Model of 1910, December 14, 1911