01 - ARON - 12 photos
02 - COLUMBIA - 10 photos
03 - DUNCAN DC MODEL E - 12 photos
04 - DUNCAN DC UNRESTORED - 10 photos
05 - DUNCAN FORT WAYNE - 16 photos
06 - DUNCAN M2 (110V) - 12 photos
07 - DUNCAN M2 (220V) - 14 photos
08 - DUNCAN MF-A (porcelain base) - 6 photos
09 - DUNCAN MODEL E (brass) - 12 photos
10 - DUNCAN MS-C (2 examples) - 13 photos
11 - FORT WAYNE INDUCTION - 12 photos
12 - FORT WAYNE TYPE K (1) - 9 photos
13 - FORT WAYNE TYPE K (2) - 9 photos
14 - FORT WAYNE TYPE K BUBBLE - 9 photos
15 - FORT WAYNE TYPE K4 - 12 photos
16 - FORT WAYNE TYPE W - 10 photos
17 - GE 3-PHASE GROUND DETECTOR - 5 photos
18 - GE IM-50 DEMAND - 10 photos
19 - GE I-14 (1) - 9 photos
20 - GE I-14 (2) - 11 photos
21 - GE I-16 - 8 photos
22 - GE I-30 A - 8 photos
23 - GE I-55-A 120V - 4 photos
24 - GE I-55-A 240V - 4 photos
25 - GE IM-30-A DEMAND W/ M 20 REGISTER - 15 photos
26 - GE IM-30-A DEMAND W/ M 30 REGISTER - 7 photos
27 - GE IR-20-A METER & TIME SWITCH - 14 photos
28 - GE T-17S TIME SWITCH - 6 photos
29 - GE TOTALIZING RELAY - 14 photos
30 - GE V4A - 8 photos
31 - GE V-62 - 12 photos
32 - GE VM-4A - 10 photos
33 - GE VM-5A DEMAND - 9 photos
34 - GE VW-3A - 10 photos
35 - GUTMANN RECORDING (SANGAMO) - 20 photos
36 - HOLCOMB & HOKE (nos) - 13 photos
37 - LANDIS & GYR PRE-PAY - 15 photos
38 - LINCOLN AD-S DEMAND - 7 photos
39 - LINCOLN AMP DEMAND - 3 photos
40 - LINCOLN LWP DEMAND - 8 photos
41 - ROLLER SMITH MODEL 100 - 6 photos
42 - SANGAMO D-5 - 11 photos
43 - SANGAMO HFA - 7 photos
44 - SANGAMO HFS - 7 photos
45 - SANGAMO JA - 6 photos
46 - SANGAMO MERCURY TYPE D - 13 photos
47 - SANGAMO TYPE D4 - 16 photos
48 - SCHEEFFER RECORDING TYPE E - 15 photos
49 - STATION PHASE BALANCE INDICATOR - 4 photos
50 - STEWART WARNER - 6 photos
51 - SYNCH INDICATOR - 7 photos
52 - THOMSON DS-4 - 10 photos
53 - THOMSON TYPE I - 13 photos
54 - THOMSON TYPE I (GLASS) - 12 photos
55 - WESTINGHOUSE TYPE C - 13 photos
56 - WESTINGHOUSE ROUND TYPE - 19 photos
57 - WESTINGHOUSE 100 VOLT - 12 photos
58 - WESTINGHOUSE 25 AMP OB - 9 photos
59 - WESTINGHOUSE 25 AMP OB "STATEN ISLAND" - 7 photos
60 - WESTINGHOUSE OB 2-ELEMENT - 9 photos
61 - WESTINGHOUSE 40170A - 18 photos
62 - WESTINGHOUSE CA-2 - 10 photos
63 - WESTINGHOUSE CA-3 DEMAND - 8 photos
64 - WESTINGHOUSE CO OVERLOAD RELAY - 9 photos
65 - WESTINGHOUSE INTEGRATING - 6 photos
66 - WESTINGHOUSE OA PRE-PAY - 10 photos
67 - WESTINGHOUSE OB DEMAND (1) - 8 photos
68 - WESTINGHOUSE OB DEMAND (2) - 8 photos
69 - WESTINGHOUSE OB ROUND BOTTOM - 7 photos
70 - WESTINGHOUSE TYPE C - 10 photos
71 - WESTINGHOUSE TYPE OA POLYPHASE - 10 photos
72 - WESTINGHOUSE TYPE OC (1) - 11 photos
73 - WESTINGHOUSE TYPE OC (2) - 8 photos
74 - WESTINGHOUSE TYPE OC W/SOCKET - 14 photos
75 - WILLIS "STRAIGHT LINE" - 14 photos
76 - WRIGHT DEMAND INDICATOR - 10 photos