Made by McDonald in Dubuque, Iowa.
With so many new guys, I would like to introduce myself. Have been messing with this stuff for over 25 yers now. Wrote the two Air Meter Identification books, also the two Gas Pump Identifiction books. Also have the largest website devoted to this hobby:
www.petrocollect.comOver 10,000 images and almost all are petro related.
Large section on nozzles at:
http://petrolianacollectibles.com/gas%20pump%20nozzles.htmYea, and my member number is #57.
Or go directly to McDonals at:
http://petrolianacollectibles.com/mcdonald%20nozzles.htmJack Sim