Originally Posted by 2LaneCruzer
HTML:
It was also so the customer could see and verify that he was getting what he was paying for. Apparently, there was some paranoia going around those days
.
I would not call it paranoid, how else would they have metered it.
The totalizing flow meter was not in existence, the glass jug with gallon markings made an easily visible and verifiable method of purchasing a liquid commodity. A simple hand pump to fill the measuring jug and simple gravity feed to the purchaser. Easy, simple, and reliable.