U-1968: Australia

3 1/2" X 4 3/4" (89mm X 119mm)

 

(skirt inkstamp) SIEMENS BROS

                1872

                A

 

Picture courtesy Kevin Porteous

3 1/2" X 4 3/4" (89mm X 119mm)

 

(skirt inkstamp) SIEMENS BROS

                E

               1874

 

Picture courtesy Kevin Porteous

Close-up of 1872 marking

 

Top view of 1874 version

 

Picture courtesy Kevin Porteous

This early style was made for Siemens of England possibly in Germany and has a rotating cam to hold the wire. 

It was used in Western Australia between the Telegraph Stations of Albany and Eucla (750 miles and used 18,000 of these insulators).

U number assignment by Bob Berry April 2018.

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