Illustrated catalogue of the Royal Photographic Society's international exhibition at the Crystal Palace, 1898 (1898)
Royal Photographic Society International Exhibition (1898 : Crystal Palace), Royal Photographic Society of Great Britain, Crystal Palace (London, England) · London : The Society · leaf 260
'7° PHOTOGRAPHIC RECORDING INSTRUMENTS. Comparative records of Declinations, Hori^ Royal Observatory* zontal Force and Vertical Force Magnsto- Greenwich, graphs during the Magnetic Disturbance of 1806, May 2-3. Registers of Thomson*s Electrograph (1897, Royal Observatory, February 29; March 1 ;… … Ths Thermograph at Kcw. Records of Earth Currents on two circuits. Royal Observatory, 1897, October 5-6* Green wich. Showing abnormal disturbances caussd by the running of trains on the South London (Eleetric) Railway, Register of New Thei'.nograph; 1857, June Royal Observatory, 28-29, Greenwich,
Photography, Artistic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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