Unusual Ohio Brass Spool or Mine ? Insulator Pic #3
By Jim Sinsley; posted November 19, 2009
View Original: Click to zoom, then click to magnify (444 x 442) 25KB
|
Opposite end of the spool / mine insulator. Odd looking hole for the pin. What does the pin look like? Patent date is 2 - 12 - 01. I'm PRETTY sure that is 1901 and NOT 2001. This has been identified as: King's patent # 667,882 Mine insulator |