Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 156
has possible of the solvent has been al-lowed to drop away. When the drop-ping has ceased, we proceed to the last, andnot the least important operation, of wash-ing the plate. This is performed by carefully placingthe tablet upon a long board, fixed at alarge angle, the supports being joined toit… … be slowly poured upon the upper part ofthe board, and allowed to flow evenly overthe surface of the picture. The descend-ing stream clears away all the solvent thatmay yet adhere to the varnish. The plate is now to be dried with great care by agentle evaporation : to preserve the pic ureit is…
Photography · Art and photography
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