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Post Office technical pamphlet for workmen
Blue cover with black print. Technical pamphlet - "Wheatstone System Morse Keyboard Perforators". 32 pages.
Collection Area
Industry
Item Number
91.34I/6
Creation/Production
Post Office Engineering Department
Date: 1937
Acquisition
Collected officially, 10/9/1991
Measurements
Length
(mm): 182
Width
(mm): 122
Material
paper
metal
Location
In store
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