The pump of the month for July is a visible. The Wayne 615 is the pump of the month! These seem to be some of the most common visibles out there. Please share these pumps if you have them!
-Wayne 615 : 1928-1941. Ten gallon, hand operated wet hose.
-Wayne 619: 1928-1933. Positive adjustable stops, hand operated.
-Wayne 626: 1928. Twin cylinders, 10 gallon cylinders, hand operated.
-Wayne 628: 1928-1931. Electric operated, wet hose, 10 gallon.
This above information is credited to Jack Sim's book. Please share your Wayne 615's everyone! Have a great July!