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Displaying 1 to 4 of 4 results for Purdue Engineer
The practical operation of an automatic exchange. IL.
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1908
no. 4 p. 72-75
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1908
no. 4 p. 72-75
Carbon contact resistances. Au: Moore, C.R. Diagram.
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1912
no. 9 p. 72-81
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1912
no. 9 p. 72-81
Toll telephone traffic. Au: Armstrong, R.S. IL.
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1912
no. 9 p. 90-99
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 1912
no. 9 p. 90-99
Power driven telephone apparatus. Au: Butterfield, J.T.
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 11/1929
v. 25, no. 2 p. 42
Publication: Purdue Engineer
Subject: Telephone Exchange
Date: 11/1929
v. 25, no. 2 p. 42
