Armstrong Patents Helicoil Screw Thread Inserts
Armstrong Patents Helicoil Screw Thread Inserts - Armstrong Patents
Picture No
13878167
Media ID
43670432
Size
1101px x 3091px
(635KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Usage Restrictions
Editorial Use Only
Source
Aeroplane magazine - August 31st 1956
Date
1956





























