AN ELECTRIC RECORDING MARKING COUNTER FOR THE CONSECUTIVE COUNTING OF SMALL OBJECTS

✍ Scribed by WOLF, H. W.

• Book ID: 121137011
• Publisher: American Association for the Advancement of Science
• Year: 1942
• Tongue: English
• Weight: 102 KB
• Volume: 96
• Category: Article
• ISSN: 0036-8075
• DOI: 10.1126/science.96.2496.409-a