The Photographic News: A Weekly Record of the Progress of Photography, Volume 48Cassell, Petter, and Galpin, 1904 |
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Page 153
... soda , ammonia , and magnesium realise most fully these conditions . Picrate of ammonia could not be used , as it gives dichroic fog ; pure picrate of soda gives equally as good results as that of magnesium ; but the necessity of employing ...
... soda , ammonia , and magnesium realise most fully these conditions . Picrate of ammonia could not be used , as it gives dichroic fog ; pure picrate of soda gives equally as good results as that of magnesium ; but the necessity of employing ...
Page 324
... soda is , as we know , usually employed in order to prevent the oxidation of developing solutions when exposed to the air , by reason of its easy transformation into sulphate . It rapidly absorbs the oxygen of the air , which acts on ...
... soda is , as we know , usually employed in order to prevent the oxidation of developing solutions when exposed to the air , by reason of its easy transformation into sulphate . It rapidly absorbs the oxygen of the air , which acts on ...
Page 565
... Soda WHEN EXPOSED TO THE AIR . By MM . A. and L. Lumiere and A. Seyewetz . NOTES AND GLEANINGS . WERS TO Correspondents .。。 IMPORTANT. N our previous studies we have demonstrated the behaviour of crystallised and anhydrous soda ...
... Soda WHEN EXPOSED TO THE AIR . By MM . A. and L. Lumiere and A. Seyewetz . NOTES AND GLEANINGS . WERS TO Correspondents .。。 IMPORTANT. N our previous studies we have demonstrated the behaviour of crystallised and anhydrous soda ...
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Common terms and phrases
acid Amateur Photographers amidol ammonia annual exhibition architecture artistic awarded better bichromate bromide paper bromide prints bronze medal Camera Club carbon carbon print Cecil Court cent Charing Cross Road chloride citric acid Class colour competition copy density developer dissolved Editor EDITORIAL CHAT effect Eikonogen emulsion enlarging excellent exposure film fixing bath focus focussing formula gelatine give glass hydroquinone hypo illustrated interesting judges landscape lantern slides lecture lens lenses light London matter mercuric chloride Messrs method metol minutes mount negative object obtained ordinary ounce oxalate Photographic Society pictorial plaque plate platinotype platinum portrait portraiture potassium potassium bromide prize pyro readers Royal Photographic Royal Photographic Society salt screen sensitising shutter Silver medal soda sodium sulphite solution stain stereoscopic Street sulphocyanide tion toning wash workers yellow