Any information on this pump? I just got it a few days ago. It says "Bonham Mfg Co, Chicago' on the bottom. Thank you.
That looks way to expensive for a Model T but looks to be in very good condition.
Google is your friend.
Click on this link - scroll down a little bit to see ad on lower right hand corner.
You can do more research in period trade journals by searching Bonham Tire Pump in Google Books. Set the date range between 01/01/1900 and 12/31/1940.
https://books.google.com/books?id=PaYyAQAAMAAJ&pg=RA1-PA325&lpg=RA1-PA325&dq=bon ham+tire+pump&source=bl&ots=5qOYJ-_oB7&sig=gKxpvHpTva0l1X67SUJT1HYJWBI&hl=en&sa= X&ved=0ahUKEwiWo6iQzIvVAhUh6YMKHWcaDY0Q6AEINzAE#v=onepage&q=bonham%20tire%20pump &f=false