Insulator of the Month New Variety


Rob Wilson of New Zealand sent us this picture of a Pyrex CD 235. He writes, “A lineman friend of mine has just found a  Pyrex glass piece identical to a USA CD 235. It differs in that it has a 5/8 pinhole with metal thimble to take a standard British 5/8 pin and also has ‘Pyrex Made  think many glass items have the  number also is different. Has 5662 on the reverse.”

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