๐”– Bobbio Scriptorium
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An Improved Form of High Tension D. C. Apparatus

โœ Scribed by David L. Webster


Book ID
123665414
Publisher
National Academy of Sciences
Year
1920
Tongue
English
Weight
214 KB
Volume
6
Category
Article
ISSN
0027-8424

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An improved form of apparatus for produc
๐Ÿ“‚ Article ๐Ÿ“… 1902 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 62 KB

Herr Endruweit, of Berlin, has patented an improved form of apparatus for producing thin films by electro-deposition. An endless metal band is first coated with potassium sulphide, and, after washing, is passed through a nickel bath of the usual composition. The thin film of nickel obtained in this