For the manufacture of photo-engravings.
| Ethyl Alcohol | 100 | gallons. | |
| Sulphuric Ether | 65 | lbs. | |
| Cadmium | Iodide | 3 | “ |
| Ammonium | “ | 3 | “ |
For the manufacture of fulminate of mercury.
| Ethyl | Alcohol | 100 | gallons. |
| Methyl | “ | 3 | “ |
| Pyridine Bases | ½ | “ | |
The next formula may be used for the following purposes:
In the manufacture of photographic dry plates.
In the manufacture of embalming fluid.
In the manufacture of heliotropin.
In the manufacture of resin of podophyllum and similar products.