The L.C. Smith Collectors Association
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Re: Forcing cone question
Posted by David Williamson on October 12, 2017, 7:51 pm, in reply to "Re: Forcing cone question"
William, the 1/2" is probably correct.
Gary, I actually got the information from Brophy's book "Plans and Specifications" and it shows that exact picture. There is also a later one from 1936 I believe.