Crossword-Solution: PLATINITE 9 letters, 2 clues 🏆 scrabble score: 11

The developer consists of oxalate of potash and potassic chloro-platinite--about thirty grains of the platinum salt to half an ounce of oxalate forming about six ounces of solution; a great many variations, however, may be made in the proportions of platinum salt and oxalate, and different effects secured.

For this process the paper should be sized with Arrowroot 2 parts Sodium oxalate at 3:100 100 parts To dispense with this preliminary sizing Captain Pizzighelli adds gum arabic to the platinite solution, whereby the sizing and sensitizing are done in one operation.

There is, however, nothing known that will take the place of nickel in special steels having a zero or a predetermined coefficient of expansion, such as “invar” or “platinite.” Nickel possesses extraordinary power in giving its white color to alloys of copper; hence its use in coinage.