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.
There are no responses to this message.
« Back to index | View thread »
Post a Response
Optional Image URL:
Optional Link Title:Optional Link URL:
Please enter the numbers above. This helps stop spam.By posting, you confirm that you have read and agree to the board's usage terms.