I found this about 10 years ago, and I should have taken care of it a little better as it has gotten torn and wrinkled. It is from a Sunday newspaper comic page from March, 1965.

Jack Sim
Author, Gas Pump Identification book and Air Meter Identification book

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