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Test message slip for New Beam System
Full title - New Beam System England and Australia, April 7, 1927. Purple code on cream slip of paper : Final test slip for the inauguration of England - Australia New Beam System (High Speed Wireless). The Short Wave, April 7, 1927.
Collection Area
Industry
Item Number
34.219/4.1
Acquisition
Donation, 20/4/1934
Measurements
Length
(mm): 12
Width
(mm): 350
Material
paper
Location
In store
Classification
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