I was hoping to get this for a dollar, but I got into a bidding war and ended up paying five bucks for the box of miscellaneous stuff that included it. Looks like it goes with one of those spark-plug-hole tire pumps.

We had one of those when I was a kid.
If you put it in the spark plug hole of a real big, slow running engine it will really blow the tires up fast.
It was very slow in our Ford-Feruguson and Ford V8 but you wouldn't believe how well it worked on an A John Deere running on one cylinder with the engine hot, in gear, slipping the clutch to lug it down with the throttle partly open.

Dad used one on the '41 Plymouth to blow up air mattresses when we went camping.

Be like sleeping on a bomb with that gas and air mix. It's a wonder any us made it this far.

... And here on EBAY is the rest of the story...

http://www.ebay.com/itm/ENGINE-OPERATED-TIRE-PUMP-Ford-Car-Truck-Tractor-1933-19 34-1935-1936-1937-1938-/160956365067?pt=Vintage_Car_Truck_Parts_Accessories&fits =Model%3AModel+T|Make%3AFord&hash=item2579bf390b&vxp=mtr

The adapter has a system to draw fresh air into the cylinder and pump it into the hose. It doesn't have any gas in it.

Thanks Stan; I was gonna' say that but you beat me to it! I've had a couple of those and they work great. Pumps just fresh air as you say, not even the slightest hint of gasoline smell, let alone fumes. They'd do a good job of pumping up everything from air mattresses to tires and everything in between. Bought my first one at Warshawski's at their original store in Chicago when I worked near there. Only old guys like you and me would ever have heard of Warshawski' though, right? But everybody's heard of J.C. Whitney!

There was Warshawsky and Co in Chicago and what about Wiznewsky's (Wizzy's) in Milwaukee? Just watched a hidden History story about the basement there being a storehouse for bootleg booze at Warshawsky's with tunnels all over the south side. Those were the hot spots in the 20s. One part of the store rooms still had shelves with stuff like Packard, Pierce-Arrow and many more names painted on the shelves. Warshawsky moved all his collection to 22nd (Cermak) and Racine and as late as the 90s would still pull all the cars outside for some air a few times a year. I worked at Fisk station at 1111 w 22nd st for years. Remember Blue Star next door? I went to Greer Tech at 2301 S Michigan. Not no mo' troop

Ex Trooper - Small world! I went to Chicago Tech for two years (2000 S. Michigan) and then took a 6 mos. diesel mechanics course at Greer. Strange,.....I couldn't remember the address of Greer but Cermak & Michigan sure sounds about right to me. (.....that was in 1962 for me by the way),.....harold

By the way "ex troop", wasn't that called "Greer Shop Training"?