32nd of an Inch Bolts - History & Lore

Today we're digging in to the history of US bolt & nut standards, to try and figure out where those weird /32nd size sockets came from.

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Genius xx/32nd Sockets on Amazon:
https://amzn.to/4kpBAxs
(As an Amazon Associate I earn from qualifying purchases)

Further Reading:
https://www.sizes.com/tools/thread_hi...
https://progress-is-fine.blogspot.com...

1864 Franklin Institute Proposal:
https://archive.org/details/sim_journ...

1949 Franklin institute Article:
https://archive.org/details/sim_journ...

1910 Screw Threads & Gages:
https://archive.org/details/screwthre...

1915 Machinery's Handbook:
https://books.google.com/books?id=VkE...

1924 Machinery's Handbook:
https://www.google.com/books/edition/...

Chapters:
00:00 Parody Intro
00:24 Actual Intro
01:00 The Sellers Standard
02:41 Origin of the 32nd
03:29 Whitworth Naming Convention
04:10 Enter the SAE
04:55 Oddly Marked Wrenches
05:49 The standard gets Unified
06:35 32nd Sizes Today
07:34 Outro