Boston Area Fire Alarm Insulators in Service (138)
By Joe Maurath, Jr.; posted April 9, 2020
View Original: Click to zoom, then click to magnify (311 x 410) 63KB
|
Some pretty old openwire secondaries reside above on spools with a couple aqua signals beneath (a CD 134 with a 169 to the right) on a rather tattered and worn crossarm. |