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Humphrey's Journal

1856; Gale Group; Linguagem: English

George Mathiot, Thos. I. Bailey, S. F. Shugert, James A. Cutting, C. Mason, James A. Cutting, C. Mason, C. Mason, J. Atkinson,

Frontmatter: Humphrey's Journal. Essay: Sir:—Your Specification of an Improvement in Composition for Producing Photographic Pictures Is Herewith Returned for a Slight Amendment, Which Is, to Omit the Reference to Specimens Which Do Not Accompany the Patent, and to Correct an Error in the Oath, as Noted on the Margin, Sir:—In Rep'y to Your Communications of the 19th Inst. and April 17th, 1854, I Propose to Modify My Claims as Follows, to Wit, Sir:—In Your Letter of the 17th, You Say That, If Necessary, Proof Can Be Given That You Had in Successful Use in the Month of April, 1853, Collodion Prepared with a Bromide Basis, Sir:—In Regard to the Use of Bromide Bases with Collodion, I Am Prepared to Show That I Had It in Successful Use in the Month of April, 1853; and If the Circumstances Require Legal Proof of the Same, It Will Be Furnished, Though at Some Expense of Time and Money to Me; and as the Question Is Only between the Public and Myself, I Trust the Office Will See Fit to Grant Me a Patent for the Same, Sir:—By Reading a Paper by Mr. W. Crookes, in the Journal of the Photographic Society, London, No. 7, Page 86, "On the Employment of Bromine in Collodion, " It Is Believed You Will Be Satisfied That the Date There Given on Which He Used Bromized Collodion Is Prior to Your Claim to Having Used It; He Refers to P. 72, No. 6, Published in June, 1853, for Experiments Made with Bromized Collodion, Which Paper Is Dated June 2d, 1853, Original Actino-Engraving, Ambrotype Patents, Progress and Extent of the Photographic Art, An Amateur in Bombay Has Found That 30 Grains of Iodine, Dissolved in 1 Ounce of Alcohol, Once Floated over the Plate, Which Has Previously Been Coated with Pure Albumen, Sensitized in a 60-grain Nitrate Bath, to Which 10 Drops of Nitric Acid Has Been Added, is as Rapid as Collodion, M. Martens' Albumen Process, Sir.—Your Application for Letters Patent for an Alleged Improvement in Making Photographic Pictures, Having Been Submitted to the Proper Examiner, Is Rejected, Properties of the Nitrate of Silver. Letter to the editor: Sir,—Can You, or Any of Your Numerous Correspondents, Inform Me How the Transparent Glass Pictures Are Produced, Liverpool Photographic Society Extracts from Foreign Publications, The Collodiometer Again, The Honey Process, Opalescence of Plates.