Chapter VI: The Care of Selenium Cells 62

LIST OF ILLUSTRATIONS

FIG. PAGE
1. Bildwell Cell 7
2. Ruhmer Cell 10
3. Bell and Taintor Cell 12
4. Mercadier Cell 14
5. Gripenberg Cell 15
6. Fritts Cell 17
7. Hot Press with Cell in Place 21
8. Details of Hot Press (elevation) 22
8. Details of Hot Press (plan) 22
9. Platen for Cell; and Template for Applying Selenium 24
10. Fiber Pieces for Enclosing Cell 26
11. Mode of Assembling Cell 30
12. Testing and Maturing Set 33
13. Layout and Wiring Diagram of Testing Maturing Set 35
14. Connections for Buzzer and Induction Coil to Produce
Alternating Current 36
15. Connections for Interior of Rheostat Box 38
16. Circuit for Wheatstone Bridge Measurement 40
17. Circuit for substitution Method of Measurement 47
18. Showing Cell ready for Assembly with Four Complete
Cells in background 49