U-2897: United Kingdom

4 1/8" X 4 5/8" (104mm X 117mm)

 

(front skirt incuse)           No. 101

                                         JOHNSON & PHILLIPS

                                      PATENT

{Maker unknown}

 

Picture courtesy Gene Kingsley

This is a cross top and an oil insulator with the outer skirt turned under to provide a reservoir for insulating oil.  

U number assignment by Bob Berry April 2016.

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