Back to photostream

PanelSwitchman

Ringing Machine

Motor driven ringing machine. Generated voltages necessary to ring telephones. Note cleaning wand for size.

2,644 views
2 faves
0 comments
Uploaded on April 14, 2007
Taken on November 1, 2007

Ringing Machine

Motor driven ringing machine. Generated voltages necessary to ring telephones. Note cleaning wand for size.

2,644 views
2 faves
0 comments
Uploaded on April 14, 2007
Taken on November 1, 2007
Some rights reserved