✦ LIBER ✦
Photoelectric Cell Applications: a Practical Book describing the Uses of Photoelectric Cells in Television, Talking Pictures, Electrical Alarms, Counting Devices, etc
✍ Scribed by ALLEN, H. S.
- Book ID
- 109504409
- Publisher
- Nature Publishing Group
- Year
- 1933
- Tongue
- English
- Weight
- 230 KB
- Volume
- 132
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/132588a0
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