Recent content by Jeff Joslin

DATAMP stands for "Directory of Tool And Machinery Patents", so the patent is definitely appropriate for datamp.org. The VintageMachinery.org patent lists for a manufacturer are generated by datamp.org—there's some fancy programming in the background to make that happen. I have forwarded this...

I picked up some $1 pucks at Canadian Tire here in Ottawa and bandsawed a 3/8 inch groove in each. The groove takes most of the weight off the seam edge on the lift points of our cars (Lexus). Still, enough weight goes on the edge that eventually the puck falls apart. I'm getting maybe three...

Todd, other than an 1860 patent to Alfred Brady for casting iron pipe, I cannot add anything to what you found. There was an 1861 ad in the New York Tribune from A. & E. B. Brady of Greene Street for a sale on iron pipe. I couldn't figure out the name of E. B. Brady, nor did I found any other...

Canuckistani politics might be less conservative than in Trumpistan, but our building regulations tend to be stricter. I didn't realize that your regulations were less strict on air infiltration from garage to house but it doesn't surprise me. One example of stricter Canadian regulation I notice...

The 1955 Sears catalog gives the weight as 142 lb. Yours must have 1 1/2 lb of dirt on it.

Re: More Jack Information Patent 2,185,476 it is. That turned out to be in the DATAMP database already, entered by one of our other patent stewards: I'm not really familiar with wagon jacks but I think that the idea is that one jaw or the other would be hooked under a suitable part of a...

I joined GarageJournal a few years ago, back when Thomas dropped in on the Old Woodworking Machines site, http://owwm.org/, looking for help in his search for drive screws for the nameplate on the Walker jack. I read the entire GJ discussion, which was maybe 70-something pages. I just stumbled...