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This page contains a formula or preparation using substances now known to be dangerously toxic, such as arsenic, mercury, lead, or cyanide compounds. Exposure to these substances can cause severe poisoning, permanent injury, or death.
In addition, 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.
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Home › Preservatives › Beconi's Arsenical Soap
Beconi's Arsenical Soap
Arsenious acid, 32 ounces; carbonate of potassa, 12 ounces; camphor, 5 ounces; white soap, 32 ounces; powdered lime, 8 ounces. Reduce each to a powder, and mix. Used as a preservative for specimens of natural history against the attacks of insects. bottom of the case, fix the lid on, and paste a strip of paper over the crevices.
Tool Preserve Wood.
The following receipts for preserving timber from decay have been obtained from various sources, and are the results of careful experiment by scientific experts. 1678. To Prevent the Splitting of Logs and Planks. Logs and planks split 1673. Carbolic Acid as a Preservative. Reference has been made in some of the scientific journals to experiments upon carbolic acid as a means of preserving objects at the ends because the exposed surface dries of natural history, and the anticipation has faster than the inside. Saturate muriatic acid been indulged in by many that this powerful with lime, and apply like whitewash to the agent may be able to replace all the ordinary ends. The chloride of calcium formed attracts methods of taxidermy. This, however, is a moisture from the air and prevents the splitvery great mistake, since it can be used to ting. Tobacconists' signs, and other wooden a small extent only in the preparation of en- images, have usually a hole bored through tire bodies of animals that are to be preserved their centre, from top to bottom; this in a dry-because the process of desiccation will great measure prevents the outer surface from inevitably proceed until the original form of cracking, by allowing the wood to dry and the animal is entirely lost. For many purposes, shrink more uniformly. MIXTURES FOR FREEZING. 1679. To Preserve Timber from Mixtures for Freezing Decay and Dry-Rot. The best way to preserve timber exposed to the action of the Ice. In the fol weather is to force into the pores of well-sea- lowing table, the water should not be warmer soned wood as much carbolic acid, or creosote, than 50° Fahrenheit.
Mixtures. as possible. This soon resinifies, and most 1 Fahrenbeit The mometer Sinks from Degrees of Cod Produced 50° to 4° " 50° to 10° 40° effectually prevents the timber from dry-rot Nitrate of Ammonia, 1 part. decay. On a large scale, as Water sleepers, expensive appliances are needed; Muriate of Ammonia.. 5 but for barns or outbuildings it may be applied Nitrate of Potash... 5 to considerable advantage by the use of a Water. " ...46° 16 paint brush.
Muriate of Ammonia.. 5