✦ LIBER ✦
Description of an automatic locking switch, as designed and applied by Messrs. Jamieson and Dewar to Mr. Elliot's sending keys
✍ Scribed by Jamieson, Andrew
- Book ID
- 114459923
- Publisher
- Institution of Electrical Engineers
- Year
- 1877
- Weight
- 349 KB
- Volume
- 6
- Category
- Article
- ISSN
- 2054-0698
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