| II.— | Sulphur | 10 parts |
|---|---|---|
| Acetic acid | 5 parts | |
| Glycerine | 25 parts |
Keep the warts covered with this mixture.
WASHING FLUIDS AND POWDERS: See Laundry Preparations.
WASTE, PHOTOGRAPHIC, ITS DISPOSITION: See Photography.
WATCH—DIAL CEMENTS: See Adhesives, under Jewelers’ Cements.
WATCH GILDING: See Plating.
WATCHMAKERS’ FORMULAS
Watch Manufacturers’ Alloys.
Some very tenacious and hard alloys, for making the parts of watches which are not sensitive to magnetism, are as follows:
| I | II | III | IV | V | VI | VII | |
|---|---|---|---|---|---|---|---|
| Platinum | 62.75 | 62.75 | 62.75 | 54.32 | 0.5 | 0.5 | — |
| Copper | 18 | 16.20 | 16.20 | 16 | 18.5 | 18.5 | 25 |
| Nickel | 18 | 18 | 16.50 | 24.70 | — | 2 | 1 |
| Cadmium | 1.25 | 1.25 | 1.25 | 1.25 | — | — | — |
| Cobalt | — | — | 1.50 | 1.96 | — | — | — |
| Tungsten | — | 1.80 | 1.80 | 1.77 | — | — | — |
| Palladium | — | — | — | — | 72 | 72 | 70 |
| Silver | — | — | — | — | 6.5 | 7 | 4 |
| Rhodium | — | — | — | — | 1 | — | — |
| Gold | — | — | — | — | 1.5 | — | — |