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.
Fixed Oils And Fats
To Restore Rancid Fat or Oil
Another method is to thoroughly wash them with hot water, frequently renewed, or to blow steam through them, until the desired effect be…
To Bleach the Vegetable Oils
According to Cooley, almond, ben, castor, colza, linseed, nut, olive, poppy, rape, teel, and other like vegetable oils, are readily…
To Bleach Vegetable Oils (Another method pursued)
Another method pursued for bleaching oils is as follows: The oil is placed in a porcelain, stoneware, or well-tinned vessel, along with…
To Bleach Vegetable Oils (Referred to in No as well)
The oils referred to in No. 1504, as well as all other oils and fats, may be rendered perfectly colorless by agitating them with a little…
To Try out Lard
This should be done in the open air. Set a large kettle over a fire, in some sheltered place, on a still
Neat's-foot or Trotter Oil
Obtained by boiling neat's-foot, tripe, etc., in water. It is a coarse animal oil, very emollient, and much used to soften leather. day. It…
To Refine Neat's-foot Oil
Put quantities. Put into the kettle while the lard a quart of the oil with pound bright lead is cold, a little saleratus, say 1…
To Detect Water in Lard
glass bottle under the filter, and you will get The presence of water is very easily detected the finest oil, suitable for the most…
Benzoated Lard
Take benzoin in coarse powder, 1 ounce; fresh lard, 1 pound. Heat together for 2 or 3 hours in a water-bath, and then strain. 1522. Το…
Extraction of Fat from Bones
A process has been adopted abroad for extracting oil and fat from bones and other animal refuse, by digesting it in a closed and heated…
To Clarify Coal Oil
Place in a close vessel 100 pounds crude coal oil, 25 quarts water, 1 pound chloride of lime, 1 pound soda, and pound oxide of manganese…
To Decolorize Kerosene Oil
Oil. The name of petroleum is now Kerosene oil is decolorized by stirring it up applied to all. the native liquid substances with 1 or 2…
To Manage Kerosene Lamps
remaining in the oil is neutralized. It is then These are so much used that a few hints on taken to shallow bleaching tanks, where it is…
To Deodorize Benzine
Shake repeatedly with plumbate of soda (oxide of lead dissolved in caustic soda), and rectify. The following plan is said to be better…
To Clean Kerosene Lamps
Wash the lamp inside and out thoroughly with hot soap and water, and a little washing soda. When clean, rinse repeatedly so as to leave no…
Booth's Axle Grease
This popular axle grease is made as follows: Dissolve pound common soda in 1 gallon water, add 3…
Thin Axle Grease
A thinner composition than the last is made with 1/2 pound soda, 1 gallon water, 1 gallon rape oil, and 4 pound tallow, or palm oil.
French Liard for Lubrication
The French compound, called liard, is thus made: Into 50 parts of finest rape oil put 1 part of caoutchouc, cut small. Apply heat until it…
Lubricator for Wagon Axles
garments during wet weather, for those whose Tallow, 8 pounds; palm oil, 10 pounds; and duties or labor causes them to perspire freely…
Anti-Attrition Grease
Grind the air, or in a warm apartment, then washed together blacklead with four times its weight in cold water and dried again, when it is…
Anti-Friction Grease
Boil the sulphate of lead, which is an insolutogether 1 cwt. tallow with 14 cwt. palm ble salt, being formed. The sulphate of oil. When…
Watchmakers' Oil
Prepared sulphate of lead. Such cloth-cotton or wooltially waterproof, bat it is not so good as the by placing a strip of clean lead in a…
French Waterproof Felting
This composition, heretofore regarded as a secret in France, has been adopted for use in the French navy. The information regarding this…
Berlin Waterproof Cloth
A firm in Berlin has for some years furnished a completely waterproof cloth, the process for making which has been kept a secret. It is now…
Metallic Soap
Metallic soap in linseed oil is highly recommended for coating canvas for wagon covers, tents, &c., as being not only impermeable to…
Fireproofing Fabrics
A solution of 3 parts borax and 24 parts sulphate of magnesia in 20 parts water is recommended. Or a mixture of sulphate of ammonia and…
To Clarify Honey (Melt the honey in a water-bath)
Melt the honey in a water-bath, remove the scum, and pour off the clear. Less agreeable than raw honey, but not so apt to ferment and…
To Clarify Honey (Dissolve the honey in water)
Dissolve the honey in water, add 14 pounds animal charcoal to every 28 pounds of honey, gently simmer for 15 minutes, add a little chalk to…
Shute's Artificial Honey
Soft water, 6 pounds; pure best honey, 3 pounds; white moist sugar, 20 pounds; cream of tartar, 80 grains; essence of roses, 24 drops. Mix…
To Bleach Wax
Pure white wax is obtained from the ordinary bees' wax by exposure to the influence of the sun and weather. The wax is sliced into thin…
Artificial Honey (Take the wax still appears)
Take 10 the wax still appears yellow inside, it is nepounds Havana sugar, 4 pounds water, 40 cessary to melt it again, and flake and expose…
Excellent Honey
Take 5 pounds is stirred thoroughly with water and then algood common sugar, 2 pounds water, gradu- lowed to settle. The whole operation is…
To Test the Purity of Honey
agent but sunshine is employed, part of its Honey is frequently adulterated with molasses, properties will be destroyed, and it is genuine…
To Detect Spermaceti in Wax
The presence of spermaceti in what is sold as virgin wax, is shown by its reduced melting point, its bending before it breaks, and by its…
To Refine Wax
Another method of refining crude wax, and which produces a very bright article, is to melt it with about 1 per cent. of concentrated nitric…
To Color Bees' Wax (Much of the imported wax has)
Much of the imported wax has a pale dirty color, which renders it, no matter how pure, objeca solution, while Japanese wax dissolves, and…
To Refine Bees' Wax
Crude wax, especially that imported, is generally loaded with dirt, bees, and other foreign matter. To free it from these substances, it…
To Color Bees' Wax (Another method is to add)
Another method is to add bright palm oil to the wax till it gets sufficient color; but this plan is objectionable from the quantity…
Modeling Wax
This is made of white wax, which is melted and mixed with lard to make it malleable. In working it, the tools and the board or stone are…
Wax for Polishing Floors
To prepare this, 12½ pounds yellow wax, rasped, are stirred into a hot solution of 6 pounds good pearl-ash, in rain water. Keeping the…