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CD 133 H.G. CO. / PATENT MAY 2 1893 fire alarm signal insulator Front skirt embossed: H.G. CO. / PATENT MAY 1893 (with a " T " embossed over " 93 " (SEE NEXT PHOTO FOR CLOSE-UP DETAIL) Rear skirt embossed: STANDARD Sharp drip points Micro fizzy aqua. Vnm |