Keywords: 099-tmpshaft.jpg Scanned by uploader from old astronomy article E G Fischer The Coast and Geodetic Survey Tide Predicting Machine No 2 Popular Astronomy vol 20 1912 pages 269-285 -- too old to be in copyright Scanned by uploader from old astronomy article E G Fischer The Coast and Geodetic Survey Tide Predicting Machine No 2 Popular Astronomy vol 20 1912 pages 269-285 -- too old to be in copyright 2009-09-25 E G Fischer Released into the public domain by the author Scanning Not copyrightable in the country of origin but copyrightable in some European countries en wikipedia Terry0051 Original image PD-US-1923 Original upload log page en wikipedia 099-tmpshaft jpg 2009-09-25 23 37 Terry0051 691×709× 37080 bytes <nowiki>Scanned by uploader from old astronomy article E G Fischer The Coast and Geodetic Survey Tide Predicting Machine No 2 Popular Astronomy vol 20 1912 pages 269-285 -- too old to be in copyright </nowiki> Tide-predicting machines |