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Test message slip for New Beam System
Full title - New Beam System England and Canada, Oct 24 1926. Purple code on cream slip of paper : Final test slip for the inauguration of England - Canada New Beam System (High Speed Wireless). The Short Wave, Oct 24 1926.
Collection Area
Industry
Item Number
34.219/3.1
Acquisition
Donation, 20/4/1934
Measurements
Length
(mm): 12
Width
(mm): 425
Material
paper
Location
In store
Classification
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