pdf 39Mar BLR p212 - Molded Telephone Apparatus Design Popular
By Paul F 1296 downloads
Molded Telephone Apparatus Design_BLR_3_39.pdf
"Grooved handset article" from Bell Laboratories Record March, 1939? Vol. XVII No. 7, by T S Huxman, Insulating Materials Development.
Contributed by Jim Stettler.
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