Here are some pictures of the 70. You should look at them because Wayne made a few versions of the 70.

http://petrolianacollectibles.com/wayne%2070.htm
http://petrolianacollectibles.com/wayne%2070-2.htm

Jack Sim
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Author, Gas Pump Identfication books 1st & 2nd Editions & Air Meter Identification books
We rebuild ECO air meters and sell parts.