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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Woodeemail, Most likely Phillips-head screws were available in 1937. As FlameRed asked, did the person say that clutch-head screws were used in those places in 1937? http://inventors.about.com/library/inventors/blscrewdriver.htm It is possible that Phillips and/or clutch-head screws were used interchangeably on the assembly line (depending on what was available). My guess is they were sometimes used interchangeably in the late 40s through early 50s. Just a guess. Does anyone know why GM used clutch-head screws (did they own the patent)? Tim | | |
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