These are stamped “J.N.M. & Co., Pat July 26-10 Re Aug 2-15, on one
side, and “Necessity” on the other.
They are J.N. MacDonald chain repair pliers. In 1910, paved roads were few and far between, and tire chains
were essential to navigate the much more common mud roads (see 1917 ad below).
The inventor was listed as residing in Hartford, Connecticut, and the 1910
letters patent state that “This invention relates to an improved implement for
repairing chains, such as the tire chains of automobiles and the like…and by
the use of which links may be expanded and again closed as may be required.”
A later patent was
assigned to James M. MacDonald of nearby Wethersfield, suggesting the
possibility of a family-owned tool business.
 |
| 1917 |
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