Armstrong Patents Heli-Coil Thread Inserts - Heli-Nut Nuts
Armstrong Patents Heli-Coil Thread Inserts - Heli-Nut Nuts - Armstrong Patents
Picture No
13878168
Media ID
43682562
Size
2227px x 3179px
(912KB)
Credit
© Aviation Ancestry Collection / Mary Evans
Usage Restrictions
Editorial Use Only
Source
Aeroplane magazine - September 5th 1958
Date
1958





























