57A dial intercom selector
By Rick Walsh, ; posted January 26, 2008; hits 1611
 |
| Detail of 57A intercom selector (204 -E minor switch) unit is dated 1956. |
By Rick Walsh, ; posted January 26, 2008; hits 1611
|
| Detail of 57A intercom selector (204 -E minor switch) unit is dated 1956. |