Offered here is a RARE and OUT OF PRINT set of insulator resource books called INSULATORS: A History and Guide To North American Glass Pintype Insulators. You are getting both Volumes #1 and #2. These were published in 1990. Over 500 pages! 8 1/2" x 11" size. In terrific condition for their age. A MUST HAVE addition to any insulator collector's library!!

Now take both books for $39.99 and that includes FREE shipping in the USA!!

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