Every pump collector should have this book or any of the earlier versions....Gas Pump Bible

The 904 and 906 used the V trim and they had smaller sight glasses.

Last edited by 57-Chevy; Wed Jan 26 2022 10:05 PM.

KJV Psalms 16:11

Thou wilt shew me the path of life:
in thy presence is fulness of joy;
at thy right hand there are pleasures for evermore.