Part used in projects
Shadyswitch Sender Digit Register V1.0
Shadyswitch Sender Digit Register V1.0
NorthwesternTelephoneandTelegraph
800
1
0
Shadyswitch Ring Timer v1.0
Shadyswitch Ring Timer v1.0
NorthwesternTelephoneandTelegraph
653
1
0
Shadyswitch Announcement Card V2.0
Shadyswitch Announcement Card V2.0
NorthwesternTelephoneandTelegraph
702
1
0
Shadyswitch tone plant v1.0
Shadyswitch tone plant v1.0
NorthwesternTelephoneandTelegraph
425
1
0
Shadyswitch Sender Logic Module v1.0
Shadyswitch Sender Logic Module v1.0
NorthwesternTelephoneandTelegraph
674
1
0
Shadyswitch 3-Pathfinder v1.0
Shadyswitch 3-Pathfinder v1.0
NorthwesternTelephoneandTelegraph
1K
1
0
Shadyswitch Imprecise Tone Plant v1.0 NONWORKING
Shadyswitch Imprecise Tone Plant v1.0 NONWORKING
NorthwesternTelephoneandTelegraph
661
1
0
Shadyswitch Sender Timing Module V1.0 repaired
Shadyswitch Sender Timing Module V1.0 repaired
NorthwesternTelephoneandTelegraph
679
1
0
Loop detector 5V logic high
Loop detector 5V logic high
NorthwesternTelephoneandTelegraph
687
1
0
Shadyswitch DTMF Receiver V1.0
Shadyswitch DTMF Receiver V1.0
NorthwesternTelephoneandTelegraph
634
1
0