The Photographic News, Volumen 42

acetone acetylene acid amateur photographers ammonia aperture apparatus artistic bath better bromide paper Bronze Medal Camera Club carbon Carbon Printing Cecil Court cent Charing Cross Road chloride church clouds colour competition course Crystal Palace dark room dark slides density developer distance Dry Plate Editor effect enlarging ENQUIRY BUREAU exhibition exposed exposure film focus focussing gelatine give Glasgow glass graphic hand camera hydroquinone hypo inch interest landscape lantern slides lecture lens lenses light London means Messrs method metol miles mount negative object obtained ordinary Photographic Society picture piece platinotype portrait potassium potassium bromide practical prize pyro quarter-plate readers Royal Photographic Society screen Secretary shutter side silver soda sodium sodium sulphite solution Street sulphite sulphocyanide taken thing Thornton-Pickard tion tone wash