✦ LIBER ✦
AN IMPULSE COUNTER, TALLYING DEVICE AND ELECTRIC “STOPWATCH”—A USEFUL LABORATORY INSTRUMENT
✍ Scribed by KLOPSTEK, PAUL E.
- Book ID
- 115375412
- Publisher
- Optical Society of America
- Year
- 1929
- Weight
- 368 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0030-3941
No coin nor oath required. For personal study only.