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PMD Film Traction and Lamp Modules

Technical Information

Catalogue No: C1105
Category: Navigation/Inertial
Object Type: Module/Sub-Assembly/Component
Object Name: PMD Film Traction and Lamp Modules
Part No: 3892/75511
Serial No: 131
Manufacturer: Ferranti
Division: Unknown
Platform(s):
Year of Manufacture: Unknown
Dimensions:
Width (mm):
162 
Height (mm):
163 
Depth (mm):
188 
Weight (g):
4,800 
Location: Main Object Store
Inscription(s):

[film access cover underside]
Film Traction Module
3892/75511
Serial No 131
Made by Ferranti Scotland
Mods 1, 2, 5, 6, 9, 11
30MU.6.93.R
────────────────
[condensing lens assembly]
x6.8 CB107496
────────────────
[written marks]
132A
M 1.680
L 1.675
R 1.672

Notes:

The rear of the unit shows the finned heatsink cover of the quartz-halogen lamp holder; its turnbuckle fasteners allowing quick cover opening for a speedy lamp change. The raised cover reveals the film transport mechanism; the door's sliding latch eases opening, again allowing another quick change, in this case, a film change to suit the aircraft's next mission.

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