Description
This section is from the American
Hand Book of the Daguerreotype, by Samuel
D. Humphrey. Published S. D. Humphrey, 37 Lispenard Street 1858.
29. Agent for Neutralizing Bromine, Chlorine, and Iodine Vapors.
Aqua ammonia, sprinkled about the chemical or coating room,
will soon neutralize all the vapor in the atmosphere
of either chlorine, bromine, or iodine. No operator should
be without, at least, a six-ounce bottle filled with ammonia.
A little of its vapor about the camera-box has a decided and
happy effect. Burnt coffee, pulverized, has also the property
of destroying the vapors of the above chemicals, as also almost
any other agent employed about the Daguerreotype room.
Its deodorizing properties are such that if brought in
contact with air filled with the odor of decomposing meat,
it will instantly destroy all disagreeable smell.
It can easily be used in the Daguerreotype room by placing
a little of the raw bean, finely pulverized, on an old plate,
and roasting it over the spirit-lamp.
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history, art, photography, daguerreotype
