Boston Area Fire Alarm Insulators in Service (51)
By Joe Maurath, Jr.; posted January 30, 2020
View Original: Click to zoom, then click to magnify (621 x 468) 39KB
|
A couple aqua Hemingray-19s on this fire alarm box deadend arm. |
|
|
A couple aqua Hemingray-19s on this fire alarm box deadend arm. |