U-1131: Canada

2 3/4" X 3 3/4" (71mm X 94mm)

 

 

(dome incuse) C P R

{Pittsburg High Voltage}

 

Picture courtesy Bob Berry

2 5/8" X 3 3/4" (67mm X 95mm)

 

(skirt inkstsmp)

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

2 5/8" X 3 3/4" (67mm X 95mm)

 

 

No markings

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

2 5/8" X 3 3/4" (67mm X 95mm)

 

 

No markings

{Canadian Porcelain}

 

Picture courtesy Barrett Nicpon

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

 

(dome incuse) C.N.R.

 

Picture courtesy Barrett Nicpon

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

 

(dome inkstamp) C.P.R.

 

Picture courtesy Bob Berry

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

 

(dome inkstamp) T.& N.O.R.Y.

 

Picture courtesy Bob Berry

2 7/8" X 3 3/4" (70mm X 92mm)

 

(dome inkstamp) C.N.R.

 

Picture courtesy Bob Scafe

Note -- U-1131A & U-1132 have been consolidated to U-1131 July 2020

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


ReturnReturn to the PIFOUS main page