"Pyro" Quotes from Famous Books
... engraved them for us. The picture is perfect of its kind, only it seems to want a little more force. That we can easily get by the simple process called "intensifying" or "redeveloping." We mix a solution of nitrate of silver and of pyro-gallic acid in about equal quantities, and pour it upon the pictured film and back again into the vessel, repeating this with the same portion of fluid several times. Presently the fluid grows brownish, and at the same time the whole picture gains the depth of shadow in its darker ... — Atlantic Monthly, Vol. XII. July, 1863, No. LXIX. - A Magazine Of Literature, Art, And Politics • Various
... any doubt that Arthur Pym, Dirk Peters, and Allen had perished, and this was only too true in Allen's case. How, indeed, could they ever have imagined that Pyro and the half-breed had got hold of a boat and made their escape ... — An Antarctic Mystery • Jules Verne
... short period sulphurous acid has become an important element in the preparation of an excellent pyro developer for gelatine plates; and as it is more or less unstable in its keeping qualities, some easy method of preparing a small quantity which shall have a uniform strength is desirable. A method recently described in the Photographic News will ... — Scientific American Supplement, No. 460, October 25, 1884 • Various |