Booster check valve

[m22mike]

Opinions on what years this check valve was used ?

[m22mike]

<<GRAEMLIN_URL>>/dunno.gif

[WILMASBOYL78]

Either 1923 or 1924...not sure, will have to do some research and get back to you. They were definitley used before Tibor and Cumby were born, that I'm sure of <<GRAEMLIN_URL>>/biggthumpup.gif

wilma <<GRAEMLIN_URL>>/beers.gif

[m22mike]

At least there not all wrinkled up like those two.. <<GRAEMLIN_URL>>/grin.gif

[earntaz]

mid-late 60s til' early 80s ...