The Photographic News: A Weekly Record of the Progress of Photography, Volume 40Cassell, Petter, and Galpin, 1896 |
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Page ix
... Pyro Developer 252 View Meter 270 173 Single Transfer 798 Vignettes , Egyptian 526 622 Single v . R.R. Lens 304 Vignetting Bromides 830 61 , 240 Slide Hinges ... 573 Vignetting Enlargements .. 251 141 Slow Toning 48 Vulcanised Fibre ...
... Pyro Developer 252 View Meter 270 173 Single Transfer 798 Vignettes , Egyptian 526 622 Single v . R.R. Lens 304 Vignetting Bromides 830 61 , 240 Slide Hinges ... 573 Vignetting Enlargements .. 251 141 Slow Toning 48 Vulcanised Fibre ...
Page 691
... pyro - developed negative was not due to pyro , but to oxidised pyro . He would go further and say that the tanning action was due neither to pyro nor oxidised pyro , and that pyro was not even a developer . Chemists were well ...
... pyro - developed negative was not due to pyro , but to oxidised pyro . He would go further and say that the tanning action was due neither to pyro nor oxidised pyro , and that pyro was not even a developer . Chemists were well ...
Page 766
... Pyro in combining with oxygen forms , undoubtedly , a number of different compounds , depending on the extent to which the oxidation is carried ; but 1 doubt whether purpurogallin is formed in the early stages . In order to produce ...
... Pyro in combining with oxygen forms , undoubtedly , a number of different compounds , depending on the extent to which the oxidation is carried ; but 1 doubt whether purpurogallin is formed in the early stages . In order to produce ...
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Common terms and phrases
acid amateur photographers amidol ammonia aperture apparatus bath bromide paper carbon cent chloride chrome alum citric acid colour competition dark room dark slide developer dish distance drachm edge Editor eikonogen enlarging exhibition exposure film fixed focus frame front gelatine give grains graphers grooves ground glass half-plate hand camera hydroquinone hypo inches interest lamp landscape lantern slides lens lenses light lines London matt surface matter Messrs method metol mount necessary negative object obtained ordinary ounce Photographic Society picture piece plate platinotype portrait possible potassium potassium bromide practical prize pyro quarter-plate rabbet rays readers rectilinear lens retouching round screw shadows shutter side silver slot soda sodium sulphite solution stereoscopic sulphite sulphocyanide taken Thornton-Pickard tion toning tube varnish washing week wood yellow