Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 218
, like patent-medicine cures for rheuma-tism, are amazingly numerous. There are twovarieties of developer in common use. One iscalled the iron developer, because it contains,among other things, protosulphate of iron (pho-tography is quite an education in chemistry); theother is called the pyro… … NOW, LOOK PLEASANT YOURSELF ! outset than use this ready-made solution. I haveused both Coopers and Carbutts prepared de-velopers and have found both excellent. As for-mulas are easily obtainable wherever materials areto be bought, and as directions always accompanyeach package of plates, I shall…
Children's literature
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