Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 391
with the nature and modeof employing these apparatuses. He willuse his own judgment as to the particularform he may select; the object in view has * For another and very useful generating cell,vide § 76. t These troughs are admirably adapted for ob-taining copies of large planter casts ; such for… … been so to simplify the u modus operandi,tliat those who attempt this very interest-ing art may find the way made smootherbefore them. 60. Management of the Moulds.—There are some circumstances connectedwith the management of the moulds, towhich it will be well here to advert. Thecopper solution…
Photography · Art and photography
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