Thick Dome Glass Value Question

By Andy Schoenleben; posted September 20, 2017

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The insulator on the right has thicker dome glass than the insulator on the left. I am wondering if the thick dome glass increases the value of the insulator.

ANSWER: For a common insulator like this it doesn't affect the value. But on a 1871 Patent or colored signal it would be valuable.

Thanks to Brent Burger for the answer.