Practical photography : being the science and art of photography, developed for amateurs and beginners (1881)
Wheeler, Owen, 1859-1932 · London : "The Bazaar" Office · leaf 263
257 ENLARGING PROCESSES. In the second general method of producing enlargements by artificial light, the ordinary Sciopticon lantern is used. This is fitted -with a double … follows, then developement and fixation Fig. 9. Sciopticon Lantern. in due course. By turning the transparency round, a reverse enlarged negative can be obtained. An advantage of the above method is that there are three distinct opportunities for contributing improvement to the ultimate result. The…
Photography
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