British Thomson-Houston Co Ltd negatives
The box contains negatives of BTH (Rugby) drawings photographed around 1968. The negatives are kept in small thin translucent envelopes, and are generally in batches sorted in numerical order. They are identified by drawing number which is made up of 5 or 6 numbers preceded by a size-code letter (W, X, Y, Z, SK).
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27679 to 27749
Assembly of Control Apparatus for Nile Bridge Operation, Khartoum.
30500 to 30599
Petrol-Electric Driven Double Deck Bogie Tramcar.
33114 to 33232
Assembly RGE20 Traction Motor
35150
Outline of Rotary Converter 250kW.
47918 to 48069
Blowout Coils for MS20AA Switch
ZD48041
Type C736 Form A Controller
51069 to 51076
DB260RA Contactor. Detail of Frame
52358
Pressed Steel Gearcase for Westinghouse 200 Motor. Belfast Left Hand
52502 to 52599
Motor Bogie (2 GE235 Motors)
53045
63941 to 64521
DB270RA Contactor Insulation Details.
Collector Shoe for Central Argentine Railway.
Stud for Brush Holder (for GE237A Motor)
124199 to 124300
Gear Wheel and Pinion. 20deg Angle Involute. 4DP. For BTH265C Traction Motor
Details
- Extent:
-
1 box
- Identifier:
- GEC/4/4/6