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Old 15th Nov 2008, 11:13 pm   #1
russell_w_b
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Default Field-Telephone Type 'J' cct-diags
Attached are two circuit-diagrams for type 'J' field-telephones; both outwardly similar, but both very different inside! The military 'J' is made by TMC, the civilian 'J' probably by Ericsson.

Some of you might find them useful.
Attached Thumbnails
Click image for larger version Name: military_j.gif Views: 107 Size: 107.0 KB ID: 21319   Click image for larger version Name: civilian_j.gif Views: 110 Size: 99.7 KB ID: 21320  
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