Quote:
Originally Posted by rct269
. . . the patent dates shown above differ in several respects with those shown in N&J . . .
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I have found that the majority of any particular model is documented correctly by Neal & Jinks, there are many S&Ws out there with slightly different dates than Roy & Neal's patent date section. It is never possible to capture every patent date change out there, so omissions should be forgiven.
Here is what the rib patent date stamp should look like & yes the last date is 1880. I am sure there are other valid stampings over the life of this model out there.