Important: Safety Warning
This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
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Ivory Size or Jelly
The dust 2017. Το Stain Horn in Imitation or shavings (ivory dust, ivory shavings) of the turner, form a beautiful size or jelly when boiled in water. 2010. Artificial Ivory for Photography. Tablets for photography are made by mingling finely pulverized sulphate of baryta or heavy spar with gelatine or albumen, compressing the product into sheets and drying it. of Tortoise-shell. Mix an equal quantity of quicklime and red lead with strong soap lees, lay it on the horn with a small brush, in imitation of the mottle of tortoise-shell; when dry, repeat it two or three times. 2018. Το Join or Weld Tortoise-shell or Horn. Provide a pair of pincers or tongs, constructed so as to reach 4 inches beyond the rivet; then have the tortoise-shell filed clean to a lap-joint, carefully observing