I would start here

https://www.mwtca.org/the-gristmill/sample-articles/77-yankee-tools-
checklist.html">https://www.mwtca.org/the-gristmill/sample-articles/77-yankee-
tools-checklist.html

There doesn't seem to be a full list of marks here.  I've seen that
elsewhere.

On Mon, Jun 26, 2017 at 6:09 PM, jjb-aia@j...  wrote:

> Assembled Galooterati: Is there a web data source for Yankee (especially
> North Brothers vintage) screwdriver and drill models and production dates?
> I reviewed my tool related bookmarks and can't find what I thought I had.
> Hoping for a "Distonian Institute" equivalent, if I should be so lucky.
>
>
> John J. Butkus, AIA
> Consulting Architect
> 139 Pinewood Trail
> Trumbull, CT 06611
> (203) 400-7703
> ------------------------------------------------------------------------
> OldTools is a mailing list catering to the interests of hand tool
> aficionados, both collectors and users, to discuss the history, usage,
> value, location, availability, collectibility, and restoration of
> traditional handtools, especially woodworking tools.
>
> To change your subscription options:
> https://oldtools.swingleydev.com/mailman/listinfo/oldtools
>
> To read the FAQ:
> https://swingleydev.com/archive/faq.html
>
> OldTools archive: https://swingleydev.com/ot/
>
> OldTools@s...
>



-- 
Kirk Eppler
Principal Engineer
PP&TD
eppler.kirk@g...
650 225-3911