A look down the aisle of the #3 Crossbar Central Office Switch.
Photo Credit: Yelp
Photo of The Telephone Museum
The Telephone Museum
166 Winkumpaugh Rd, Ellsworth, Maine 04605 USA
166 Winkumpaugh Rd, Ellsworth, Maine 04605 USA
A look down the aisle of the #3 Crossbar Central Office Switch.
Photo Credit: Yelp