Humphrey's Journal of the Daguerreotype and Photographic Arts and the Sciences and Arts Pertaining to Heliography, Volume 13S. D. Humphrey, 1862 - Daguerreotype |
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acetic acid AgONO albumen paper alcohol alkaline amateurs ammonia ammonium amount appear artist beautiful bottle bromide cadmium camera carbonate Cartes de Visite chemical chloride of silver coating COLEMAN SELLERS color containing cotton dark developer dish dissolved distilled water drachm effect employed ether experiments exposed exposure film filter focus formic acid gallic acid gelatine give glass gold grains gutta-percha harmony Humphrey's Journal hyposulphite of soda inches iodide iodide of potassium iodide of silver iodine iodized iron Jour landscape lens lenses light metallic method minutes Naples yellow negative nitrate of silver nitric acid object obtained operation ordinary perfect Phot picture plate portraits precipitate prepared present produced proportion pure pyrogallic acid pyroxyline quantity salt sensitive shadows silver bath soluble solution stereoscopic sulphate sulphuric acid surface tannin tints tion toning transparent varnish washed yellow