Substitutes for Platinum
โ Scribed by GUILLAUME, CH.-ED.
- Book ID
- 109464793
- Publisher
- Nature Publishing Group
- Year
- 1918
- Tongue
- English
- Weight
- 112 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/102064c0
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๐ SIMILAR VOLUMES
An incandescent lamp must be hermetically sealed and yet must have current led through its walls to the filament. From the beginning this has been effected by sealing two platinum wires through ,the red-hot glass, all other methods having been quickly discarded. Lately, however, sundry substitutes f
974, October, I917.)--Owing to the great scarcity of platinum and its consequent high price, platinum substitutes l'mve been eagerly sought, particularly within the last three or four years. From what has already been accomplished in this direction it is evident that llo single metal or combination