Porcelain Pin Base Pins


An interesting porcelain (and glass) go-with. ( Yes I said Glass ! )


By Mike Spadafora


A little background on porcelain pin base pins:


On March 14 1893 Fred M. Locke was issued an interesting patent for a rather novel solution to an ever      of wood pins from side strain. Fred designed a pin with a metal base with a through bolt and wood cob on top. The suggested advantage was that the lateral shearing strength of the pin was increased by the presence of a steel bolt in the center of the pin.


Metal base pins were heavily promoted by Fred Locke during the        bit of popularity over a wide range  or so years. The earliest Locke bases that match this patent were marked “FM LOCKE PAT’D MCH 13 93” in an incuse marking on the rim of the metal base.


24 Crown Jewels


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