> On Nov 19, 2018, at 12:04 PM, Ed Minch  wrote:
> 
> Would be interesting to see if the date on that catalog from Pratt and Green
is within that late 20’s late 30’s period and if that was a re-issue of that
plane.  If that catalog is really from 1865, then rubber weatherstripping is
MUCH older than I thought.
> 
> Ed Minch
> 
As usual, a wealth of info from this group. 

As to Ed’s question: Check the 1866 patent near top of 2nd column where it says
“the saw rabbet is especially adapted to cutting grooves for  inserting the
rubber weather strip.”

http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&HomeUrl=
&docid=0052478">http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&H
omeUrl=&docid=0052478

Bill