A Treatise on the Positive Collodion Process

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Bland & Long, 1857 - Ambrotype - 75 pages

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Page 28 - C.) to the weight of an equal volume of distilled water at the same temperature, both weights being corrected for the buoyancy of air.
Page 98 - ... capable of producing in the hands of competent manipulators, for two more admirable .specimens of the art than the View of Richmond above the Bridge, and the River Front of Somerset House, which Mr. Barnes has produced by it, we have never seen. They are in every respect most creditable...
Page 99 - The exchange will be effected once a month, or according to the number of pictures in the hands of the Committee. If any extraordinarily fine or large proofs be sent, for which no equivalents may be found, notice will be given and attention called to the subject, through the medium of Mr. Button's Photographic Notts,
Page 99 - The photographs for exchange to be transmitted per post, pre-paid, to the Secretary, not mounted on cardboard, but rolled round a thin, light (if possible) hollow rod, and an amount of stamps enclosed to pre-pay return postage. The Committee would suggest that each member have...
Page 27 - So far as the result is concerned, it does not matter whether we employ cotton wool or unsized paper in the manufacture of Collodion.
Page 99 - Committee would suggest that each member have his or her name and address legibly written on the rod, so that trouble may be saved to the Committee when they make up the exchanges. The Committee will endeavour to allot to each Member photographs of an equal quality to those...
Page 51 - ... the centre of it a circular patch of collodion, rather more than sufficient to cover it.

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