Boston Area Fire Alarm Insulators in Service (137)
By Joe Maurath, Jr.; posted April 9, 2020
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Here we have a CD 202 or 205 in greenish aqua with some rather heavily insulated wire tied around each of its grooves. |
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Here we have a CD 202 or 205 in greenish aqua with some rather heavily insulated wire tied around each of its grooves. |