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PHOTOGRAPHIC PAPER.--Negative and Positive Papers of Whatman's,
Turner's, Sanford's, and Canson Frères' make. Waxed-Paper for Le Gray's
Process. Iodized and Sensitive Paper for every kind of Photography.
Sold by JOHN SANFORD, Photographic Stationer, Aldine Chambers, 13.
Paternoster Row, London.
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TO PHOTOGRAPHERS.--Pure Chemicals, with every requisite for the practice
of Photography, according to the instructions of Le Gray, Hunt,
Brébisson, and other writers, may be obtained, wholesale and retail, of
WILLIAM BOLTON, (formerly Dymond & Co.), Manufacturer of pure Chemicals
for Photographic and other purposes. Lists may be had on application.
Improved Apparatus for iodizing paper in vacuo, according to Mr.
Stewart's instructions.