Primary & secondary line switch & master switch circuits. Wanganui Cen[tral.] Auto[matic.] Exchange

New Zealand Post Office, Designer

20 Dec 1976
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Maker and Role
New Zealand Post Office, Designer
Production Date
20 Dec 1976
Physical Description
1 p. : diagram ; 84 x 59 cm.
Media/Materials
Accession No
04/044/007
Credit Line
New Zealand Post Office. 20 Dec 1976. Primary & secondary line switch & master switch circuits. Wanganui Cen[tral.] Auto[matic.] Exchange, 04/044/007. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).
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