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Prepared Wax Paper

Make which it is introduced into the furnace. The a strong size by digesting 25 parts gelatine, cupel is a sort of shallow crucible, made of 50 of linseed, and 150 of rice flour, in 2000 to 3000 parts hot water. Filter through a cloth.

Take of this size, when cold, 1000 parts by weight, and dissolve in it sugar of milk, 50 parts; iodide of potassium, 35; bromide of potassium, 5 parts. 3180. Artificial Ivory for Photographers. Sheets or tablets of gelatine or glue are immersed in a solution of alumina.

When entirely penetrated by the alumina, the slabs are to be removed, dried, and polished like ivory. (Mayall.)