Back to photostream

PanelSwitchman

248B 218A KTU

Here is an example of wire spring relays as used in older telephone key systems.

1,352 views
0 faves
0 comments
Uploaded on April 9, 2007
Taken on November 1, 2007

248B 218A KTU

Here is an example of wire spring relays as used in older telephone key systems.

1,352 views
0 faves
0 comments
Uploaded on April 9, 2007
Taken on November 1, 2007
All rights reserved