    himself in 1898 and 1899 are similar in some characteristics to early Victor factory made pin type insulators of the same production. They are usually glazed white   that have hand written blue or black under glazed markings on the side that seem to be related to the pin base size or may be test production markings for glazes     marking on the head. The bolts for these appear to have been supplied by the same bolt manufacturer as the older EP&M made pin bases pins.


1898-1899 Locke factory white glazed pin bases.


Several pin bases of this same 1898-1899 production time have surfaced that are unglazed and made out of unusual clay body materials. These were likely kiln  come from dumps in the Victor N.Y. area and none have actually been found used 


Clay body experiments made as pin bases


30


Crown Jewels


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