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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 sulphate of lime. Soluble glass is applicable to rendering wood and theatrical decorations less inflammable.

H The sweet substance extracted by the bee from the juices of the nectaries of flowers, and deposited in the cells of wax forming the honey-comb. Pure honey consists of a syrup of uncrystallizable sugar and crystalline saccharine grains, resembling grape sugar. Virgin honey is that which flows spontaneously from the comb; ordinary honey, that obtained by heat and pressure. 1566. Το Purify Honey. Take of honey, 8 pounds; water, 16 pounds; heat in a tin vessel to 212º Fahr. (not to boiling) for 1 hour; then set aside over night. Mix with fresh coarsely powdered charcoal, 2 ounces Troy, and strain through flannel, then evaporate in a steam bath, at about 175° Fahr., to the proper consistence.

Hoffmann dilutes the honey with water, adds solution of tannin as long as precipitation takes place, heats to 212°, strains and evaporates as before. Mohr and Rebling have an unfavorable opinion of charcoal, and recommend tannin or powdered galls. honey, when sufficiently clear, is strained; if still acid, reheating and an addition of more lime-water will be necessary. It is to be evaporated as above. 1568. Vogel's Method of Purifying Honey. Vogel's method is to beat 5 pounds honey with the white of 1 egg till it froths, and then add water to make it of the consistence of syrup; it is next boiled until the white of egg can be skimmed off. Pour it into an upright vessel into which a faucet has been inserted near the bottom, and let it settle for some weeks-when the pure honey may be drawn off through the faucet.