U-923C:

This early cross top example is believed to have been made by Thomas for Fred Locke.  It is dry process porcelain and is embossed F. M. LOCKE VICTOR NY // PAT MAY '89  MAY 22 '94 in the wire grooves.  These patents are (US Patent 402,752) and (US Patent 520,367) respectively.  

ReturnReturn to the National Insulator Association home page