Model Number |
Description |
Notes |
Picture |
Specs |
Info |
Docs |
1st Year |
Last Year |
|
CS-1 |
Condenser Substitution Box |
0.00001 mfd to 0.22 mfd. |
 |
 |
- |
- |
53 |
62 |
DC-1 |
Decade Capacitor Box |
100 Pf to 0.111 mfd |
 |
 |
- |
- |
52 |
61 |
DR-1 |
Decade Resistor Box |
Resistor decade type wood box |
 |
 |
- |
- |
56 |
61 |
EU-30A |
Substitution Box |
6 knobs |
- |
- |
- |
- |
70 |
70 |
EUW-28 |
Resistor Substitution Box |
Resistor 1 knob |
- |
 |
- |
- |
67 |
70 |
EUW-29 |
Capacitor Substitution Box |
Capacitor 1 knob |
- |
 |
- |
- |
67 |
70 |
EUW-30 |
Resistor Substitution Box (Same as IN-17) |
- |
 |
 |
- |
- |
68 |
- |
EWU-28 |
Substitution Box |
1 knob |
- |
- |
- |
- |
67 |
70 |
IN-11 |
Resistor Substitution Box |
decade type - Schematic |
 |
- |
- |
- |
61 |
67 |
IN-12 |
Resistor Substitution Box |
- |
 |
- |
- |
- |
62 |
67 |
IN-17 |
Resistor Substitution Box |
decade type new look - Schematic |
 |
- |
- |
- |
67 |
78 |
IN-21 |
Capacitor Substitution Box |
decade type - Schematic |
 |
- |
- |
- |
61 |
67 |
IN-22 |
Capacitor Substitution Box |
- |
 |
- |
- |
- |
62 |
67 |
IN-27 |
Capacitor Substitution Box |
3 knobs |
 |
 |
- |
- |
67 |
77 |
IN-37 |
Resistor Substitution Box |
decade type - new look |
 |
 |
- |
- |
67 |
78 |
IN-47 |
Capacitor Substitution Box |
new look |
 |
- |
- |
- |
67 |
78 |
IN-3117 |
Resistor Substitution Box |
same as IN-17 - Schematic |
 |
 |
- |
- |
91 |
- |
IN-3127 |
Capacitor Substitution Box |
same as IN-27 - Schematic |
 |
- |
- |
- |
81 |
- |
IN-3137 |
Resistor Substitution Box |
same as IN-37 |
 |
- |
- |
- |
77 |
81 |
IN-3147 |
Capacitor Substitution Box |
same as IN-47 |
 |
- |
- |
- |
77 |
81 |
RD-1 |
Resistor Substitution Box |
decade type |
 |
- |
- |
- |
50 |
52 |
RS-1 |
Resistor Substitution Box |
15-ohms to 10-megohm |
 |
 |
- |
- |
52 |
62 |