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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Dark Liquid Glue
Put 100 away with the necessity of using the glue too parts dark "steam glue" and 140 parts water thick, which should always be avoided; for in a wide-mouthed glass bottle, and dissolve the less glue there is in contact with the joints, the glue in the water, then add slowly 16 parts provided they touch, the better; and when aqua fortis, stirring all the while. When all the acid is added, the liquid is allowed to cool.
Cork well. This liquid glue exhibits a greater cohesive force than that prepared after Dumoulin's receipt. (See No. 2285.) However, still better kinds of liquid glue or mucilage are obtained by dissolving gelatine or dextrine in acetic acid and alcohol.