U-1692: Switzerland

2 3/4" X 3 7/8" (67mm X 95mm)

 

 

No markings

 

 

 

Picture courtesy Bill Ostrander

2 3/4" X 3 7/8" (70mm X 99mm)

 

(ear top incuse)

{Maker Unknown}

 

 

Picture courtesy Bob Berry

2 3/4" X 4" (67mm X 100mm)

 

(skirt inkstamp)

                        38

{Suisse Langenthal}

 

Picture courtesy Lis Bergman

2 3/4" X 4" (67mm X 100mm)

 

(ear incuse)

{Suisse Langenthal}

 

 

Picture courtesy Bob Berry

U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.


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