Removing Egg Stains.
To Clean Silver Ornaments.
Solvent For Iron Rust.
Professor Weber proposed a diluted alkali, and it has been found that after employing this remedy the dirt layer is loosened and the green platina reappears. Potash has been found to be an efficacious remedy, even in the case of statues that had apparently turned completely black.
To Clean Polished Parts Of Machines.
To Clean Articles Of Nickel.
How To Renovate Bronzes.
| Sodium carbonate | 7 parts |
| Spanish whiting | 15 parts |
| Alcohol, 85 per cent | 50 parts |
| Water | 125 parts |
Go over every part carefully, using a brush to get into the minute crevices. When this dries on, brush off with a fine linen cloth or a supple chamois skin.
Or the following plan may be used: Remove grease, etc., as directed above, dry and go over the spots where the gilt surface is discolored with a brush dipped in a solution of two parts of alum in 250 parts of water and 65 parts of nitric acid. As soon as the gilding reappears or the {202} surface becomes bright, wash off, and dry in the direct sunlight.