Tom is correct, it is a 743, They were introduced in 1954, There should be a ID tag on one of the sides, if you email me at jhsim@petrocollect.com I might be able to tell you when it was born. I also have some factory literature on this pump that I sell, if you are interested I can send you a list.

I'm sure someone here has done what you want to do, but it is going to require a pump, and enclosed piping and some way for it to automatically turn on.

Jack Sim

Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available