Photographic Notes
1866; Gale Group; Linguagem: English
Autores
C. Russell, C. Russell, C. Russell, C. Russell, C. Russell, W. Blair, C. Russell, C. Russell, C. Russell,
ResumoFrontmatter: Photographic Notes. Essay: In the "Bulletin Belge De La Photographie, " for April 15, 1866, Dr. Vogel Mentions a New Method of Retouching Negatives, Invented by M. Grüne; Mix Together Oil of Turpentine and Oil of Lavender, and with a Brush and Some of This Mixture, Work off the Superficial Grey Deposit of Silver from a Useless Negative, Since Writing the Observations in the Last Number, on Organic Matter in Iron Developers, Some Further Considerations Have Occurred to Me, No. 1771. July 15th, 1863.— Wm. Clark, of 53, Chancery Lane, in the County of Middlesex, Engineer and Patent Agent, for "An Improved Process for Making Paper Transparent and Transferring Designs. "— a Communication from Abroad by Henry Loewenberg, of New York City, and Henry Schoonmaker, of Brooklyn, in the County of Kings, and State of New York, United States of America, A Theory of Photography, A Few Weeks Back, to Test the Effects of Small Quantities of a Soluble Iodide on the Sensitiveness of Iodide of Silver, Some Pieces of Turner's Negative Paper Prepared by Mr. Sutton with Double Iodide, Were, as in a Previous Experiment Described in the Photographic Notes, Washed by Pouring a Considerable Quantity of Boiling Distilled Water on Them in a Slightly Plugged Funnel, Moving Them about That They Might Be Acted on Uniformly, Specifications of Patents No. 1729. July 10th, 1863.—JOHN Peter Bourquin, of Newman Street, Oxford Street, in the County of Middlesex, …, Foreign Journals, Mr. Sutton's Theory of the Photographic Action of Light Is, That It Sets Free Iodine, Bromine, and Chlorine from Their Combinations with Silver, in the Presence of a Trace of Water, Which Is Also Decomposed; and That the Hydrogen Combines with the Liberated Iodine, Bromine, or Chlorine, Forming Hydriodic, Hydrobromic, or Hydrochloric Acids, and Therefore That Matters Which Will Combine Readily with the Oxygen Thus Set Free, Facilitate the Action, and so Act as Sensitisers or Accelerators, Strelitsky's Method of Mounting Prints, We Have Heard a Good Deal Lately about the Construction of Glass Houses, but Little or Nothing about Lighting the Sitter so as to Get a Good Portrait without a Glass House, In a Letter to Mr. Sutton, Published in Notes of 1st April, I Said That I Had Observed Very Old Iodide of Silver Papers to Fog, That Blurring Is Caused by Transmitted and Reflected Light, Was the Discovery of Mr. Marlow, but That a Coat of Opaque Paint or Varnish in Optical Contact with the Back Surface of a Plate of Glass Will Absorb the Light Which Passes through the Glass, and Prevent That Surface from Acting as a Mirror, Is No New Discovery, The Nature of the Invisible Image. Backmatter: Errata. Letter to the editor: Translucent Paper—Its Uses To the Editor of Photographic Notes. Display ads: Photographic Notes.
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