The photographic news

• Bandzählung: 6.1862
• Erscheinungsdatum: 1862
• Sprache: Englisch
• Signatur: F 135
• Vorlage: Hochschule für Grafik und Buchkunst Leipzig
• Digitalisat: Hochschule für Grafik und Buchkunst Leipzig
• Digitalisat: SLUB Dresden
• Rechtehinweis: Public Domain Mark 1.0
• URN: urn:nbn:de:bsz:14-db-id1780948042-186200003
• PURL: http://digital.slub-dresden.de/id1780948042-18620000
• OAI: oai:de:slub-dresden:db:id-1780948042-18620000
• Sammlungen: LDP: Historische Bestände der Hochschule für Grafik und Buchkunst Leipzig
• Sammlungen: Fotografie
• Bemerkung: Seite 1-72 fehlen in der Vorlage. Vorlagebedingter Textverlust.
• Strukturtyp: Band

• Digitalisat: SLUB Dresden
• Strukturtyp: Ausgabe

Ari [APRIL 17, 1862. THE PHOTOGRAPHIC NEWS. 182 pe shortly to have something to say on the gen® hich Dr. Draper’s fortunate application has gib' ment of other dry plates.” The Theobies—New Method of Photometbv. chlorid ing met subject which Dr. Draper’s fortunate application has gi! a fresh interest to; we now merely make the reclamati not for ourselves, but on behalf of the Old World. It is his own works ; and is, therefore, debarred from all chance of that recognition which it is probable his contributions may merit; for even if his coadjutors were disposed to confer any honour on his works, his delicacy would doubtless revolt from appending his name to a decision which contained an award in favour of his own pictures. There are other sound reasons why, we conceive, a professional photographer is scarcely desirable as a juror; for without doubting the honourable impartiality which will doubtless characterise his judgment, other professional photographers may naturally feel that they would rather not have been judged by one with whom they are in business competition. Regarding the contract for photographing in the Exhibi tion it appears that no tender whatever has yet been made. The Times says :— “ No tenders have yet been received for the right of taking photographs in the building during the time of the Exhibition. Some of the first firms in the kingdom are willing, we believe, to give the Commissioners very large sums for this privilege, but all are at present withheld from making an offer by the most absurd condition with which they are clogged—namely, that the Commissioners will not provide any space or room for photographers, or for their processes of developing or preparing their plates or otherwise, all of which processes must be carried on beyond the limits of the Exhibition buildings. If this rule is adhered to, not a single shilling will be offered for the privi lege, for, as any practical photographer can tell the Commis sioners, the so-called privilege of taking views will be utterly worthless, unless they have some place in the building in which to prepare and develop their plates. In the form of tender issued there is no date put as to the time before which the offer is to be sent in, and, above all, the photographers most justly complain that they are required, when stating the sum which they are willing to pay for the right, to state also how many copies of every photograph ‘ which may bo taken in the build ing they are willing to place at the disposal of the Commis sioners for distribution, but not for sale.’ If in the tenders for refreshments the contractor was called upon to specify how many free dinner tickets each day would be placed at the dis posal of the Commissioners for distribution, but not for sale, the public, we think, would express their opinion very freely upon the nature of such an agreement, and we confess we are at a loss to see the difference in principle between such an arrange ment and that which the.Commissioners expect to make with the photographers.” We are unwilling to impute motives, but it has been sug gested that the Commissioners do not expect or desire com petition, wishing to place the job in certain hands ; but that, since they must for decency’s sake advertise for tenders, they fetter them with impossible conditions. An appear ance of justice and impartiality must be preserved : as in regard to the election of juries, contributors were requested to nominate men in whom they placed confidence, whilst the authorities, it appears, had no intention to be guided— certainly not governed—by such nominations in making the appointment. Stientitic Gussip. Composition of the Photographic Image letters in American Journals, writing to a British conte porary, recently, says:— “To quote from a New York letter: — ‘We ared in hot water here. Try Dr. Draper’s process, and I will soon be warm in your praise of it.’ Much Po tive information has reached me, all tending to Pr0 that it is the greatest discovery in the art that has been F seated to us for several years. It is one of those remarkab simple discoveries which we cannot but wonder have D been developed sooner. As far as I have been able to leat it has only been applied so far to tannin plates ; but the can be but very little doubt that it will be of equal adv" tage in the treatment of other dry plates.” Most of our readers are familiar with the fact, that f wards of ten years ago M. Ferrier used hot developm with albumen dry plates. For years past, Mr. Mudd 11 used hot development with collodio-albumen plates, and secured considerable diminution in exposure by its " Little less than twelve months ago, M. Roman re-discove the value of heat in developing collodio-albumen plal and announced that by the method he described, and V development, dry plates might be worked with a rapid" equalling that of the wet process ; and various other c of seve be tai establi: art. acquai: blackei to hav Scheele and T many special Associs known photog nave b results ing in fact of i study o Inanim change chloride undert Sence oi the sim Pure ch less tha I Jewell British “2. 7 in the si Tecognis tion. , “ MM Guthrie, among t «3 1 absorbs with the "Mr. lory of t in the d. chloride ''action. “This Tesults o Parent f Dich rei Teresting evidence for dive etisfact It is cer vith the towards 1 ''hich th phenome August 1861, contains a brief general statement of the 0 from our own pen, and the same journal of the 15th of gust, quotes detailed particulars of manipulation from' article contributed to our pages a few weeks previously I the Rev. J. Galloway Cowan, and it is somewhat sing 11 , that the method of using hot water previous to the de" loper, and not simply a hot developer, is distinctly descri" in the article in question. We hoi HOT DEVELOPMENT, AN AMERICAN DISCOVERY. Our American cousins have a funny habit of claiming all the discoveries in science and art. Photographers are at the present moment in a high state of excitement regarding the accelerating influence of heat in developing dry plates. In the Photographic News, for March 7th, Dr. Draper, of New York, communicated the results of some experiments he had recently laid before the American Photographic Society, in which, by the aid of hot development, he had secured instan taneous pictures on tannin plates. This was a gratifying application of the principle of hot development to tannin plates, and the announcement was novel. It is quite possible that with Dr. Draper the idea was original, and that the merit of independent discovery is due to him. Nevertheless our readers will be somewhat amused to find this recent application of an old principle described as the discovery of that principle. Mr. Coleman Sellers, whose name our readers may remember as tho writer of some interesting summer, solely devoted to the accelerating influence ' hot development. The American Journal of the Id ] little amusing to find a man like Mr. Sellers naiedU 1 marking of a thing done long ago, that “ there can bo V little doubt that it will be of equal advantage in the tr‛ The composition of the photographic image—a problet in photo-chemistry which has of late been so frequently A cussed in the pages of the Photographic News, desen, ■ — attentive consideration from the circumstance that it C scientific stitutes almost the theoretical basis of the art of ploy Profes graphy. In a recent number we gave an article (fron sathod ' London Review) which seemed to give a very good ge" ilerable statement of our present knowlege on the subject. he 0v Ihe 111 porance of the subject induces us to give insertion to eytrtho remarks bearing upon the present position of this.intee Brtenti ing chemical inquiry which have been communicated t% elmed. by an esteemed friend and well-known man of science. y mine th writer, under the signature “ Experientia ” commence’p lenses “ The nature of the decomposing action of sunlight It ‘ the chloride of silver appeal's to have formed one of the p earliest subjects of experimental investigation on then | munications to the same effect have appeared from time: time in the English journals. The singular part of business follows, however ; American photographers may course, be pardoned for not always seeing English pho graphic papers; but it is a fact that most of the commu cations on the subject have been reprinted in the Ameri stage ar photographic journals ; and without instituting al subchlo rigid search, we have laid our hand in one minute on t “ Thi communications in the American Journal of Tn graphy, extracted from the Photographic News during’