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Amgueddfa Cymru – Museum Wales
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Post Office Green Paper
Post Office Green Paper No.2 - "Room Noise and Reverberation". 14 pages.
Collection Area
Industry
Item Number
91.46I/1
Acquisition
Collected officially, 11/9/1991
Measurements
Length
(mm): 249
Width
(mm): 188
Material
paper
metal
Location
In store
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