Parker Seal Company O-Ring Guide for Aircraft Maintenance Men Wear Contamination

Description

1968 Parker Seal Company Publication: O-Ring Guide for Aircraft Maintenance Men.
What's in a name
What an O-ring does; how it works
Dynamic and static applications
Factors that cause O-ring problems
Individual packaging insures accuracy
Removing the oldies
Installing the new O-ring
Watch out for contamination
To properly protect an O-ring
Remember, Remember, Remember
28-pages, 9-1/4 in x 4-1/2 in booklet.  Excellent, like new condition.