A very convenient way to form into pencils where no mold need be made is to take a small glass tube, roll a piece of oil paper around the tube, remove the glass tube, crimp the paper tube thus formed on one end and stand it on end or in a bottle, and pour the melted solution in it and leave until cool, then remove the paper.
Antiseptic Paste (Poison) for Organic Specimens.—
| (a) | Wheat flour | 16 ounces |
|---|---|---|
| Beat to a batter with cold water | 16 fluidounces | |
| Then pour into boiling water | 32 fluidounces | |
| (b) | Pulverized gum arabic | 2 ounces |
| Dissolve in boiling water | 4 fluidounces | |
| (c) | Pulverized alum | 2 ounces |
| Dissolve in boiling water | 4 fluidounces | |
| (d) | Acetate of lead | 2 ounces |
| Dissolve in boiling water | 4 fluidounces | |
| (e) | Corrosive sublimate | 10 grains |
Mix (a) and (b) while hot and continue to simmer; meanwhile stir in (c) and mix thoroughly; then add (d). Stir briskly, and pour in the dry corrosive sublimate. This paste is very poisonous. It is used for anatomical work and for pasting organic tissue, labels on skeletons, etc.
Mouth Antiseptics.
II.—Tannin, 12 grams (3 drachms); menthol, 8 grams (2 drachms); thymol, 1 gram (15 grains); tincture benzoin, 6 grams (90 minims); alcohol, 100 grams (3 ounces). Ten drops in a half-glassful of tepid water.
See also Dentifrices for Mouth Washes.
Antiseptic Paste.
| Potassium bicarbonate | 32.0 grams |
| Sodium benzoate | 32.0 grams |
| Sodium borate | 8.0 grams |
| Thymol | 0.2 gram |
| Eucalyptol | 2.0 c. cent. |
| Oil of peppermint | 0.2 c. cent. |
| Oil of wintergreen | 0.4 c. cent. |
| Tincture of cudbear | 15.0 c. cent. |
| Alcohol. | 60.0 c. cent. |
| Glycerine | 250.0 c. cent. |
| Water, enough to make | 1,000.0 c. centimeters |
Dissolve the salts in 650 cubic centimeters of water, and the thymol, eucalyptol, and oils in the alcohol. Mix the alcoholic solution with the glycerine and add the aqueous liquid, then the tincture of cudbear, and lastly enough water to make 1,000 cubic centimeters. Allow to stand a few days, then filter, adding a little magnesium carbonate to the filter, if necessary, to get a brilliant filtrate.