^mnixixt %mmtm. [February ii, 1888. 94 … pmiT MTs m m PHOTO-EN GRAVING PROCESSES.— now TO MAKE AN INCUBATOR.— or Canada, on receipt of three dollnrs bythe pub- The " Washout" process. The swelled gelatine process Full directions, illustrated with 7 figures. Also direc- lishers; six months, $1.50; three months, $1.0U. Full details of each.…
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