Z. T. Furbish "Yankee" No. 10A Pat. 593,157 & 819,536

"Yankee" Ratchet screwdrivers-right, left Hand and Rigid.

"Yankee" Ratchet screwdrivers are of the highest quality throughout. Their time and labor saving features make them good tools for industry as well as for individual users in all fields".

"Blades are of special alloy steel, properly hardened, tempered and polished mechanism is sensitive, yet of durable construction".

No. 10A___Standard Blade and Tip.

"Ratchet adjustment is made by shifter which moves parallel to blade. For driving screws, shifter is moved toward blade; for withdrawing, shifter is moved toward handle".

The No. 10A comes in 5 sizes a 3inch, 1/4 bar, overall length of 7 5/8" priced at $1.25, 4inch, 5'', 6'', & 8". From the Stanley Tools, Catalog No. 34

My example is marked "Yankee" No. 10A North Bros. MFG. Co., Div. of Stanley Tools, Phila, PA. U.S.A. and it is the 5inch blade , 1/4 bar stock, 9 1/2" in length with a price of $1.40.

With no patent information to work with a google search was in order and two patent numbers came up, they were Nov. 2, 1897 & May, 1st, 1906.

http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&HomeUrl=&docid=0593157

http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&HomeUrl=&docid=0819536

This lead came up with the Name of Z. T. Furbish (Zachary T.) 1848-1906, wife Lydia A., 1854-1924, son George W., 1873-1922. Zachary is buried in Mt. Pleasant Cemetary in Augusta, Maine.

Zachary was a busy man that had six patents from 1881-1895 while he lived in Augusta, Maine and More patents later with the North Bros. in Philadelphia.

In trying to keep this story as short as possible I have included many links about his patents, His History, North Bros. History, along with other "yankee" links for you to look over. Just another vintage tool to look for in your tool hunting adventures. Pictures and links to follow:

https://archive.org/stream/StanleyToolsCatalogNo.34/Stanley0001#page/n7/mode/2up

https://en.wikipedia.org/wiki/North_Brothers_Manufacturing_Company

http://www.davistownmuseum.org/bioNorth.html

http://vintagemachinery.org/mfgindex/detail.aspx?id=596

http://hus-boringt.wkfinetools.com/NorthBros/history/northBros-history.asp

http://www.davistownmuseum.org/bioFurbish.htm

http://www.tias.com/8600/PictPage/3923865677.html

http://cfales.sos4net.com/articles/Furbish-ForestCity/Furbish-ForestCity1.html

https://en.wikipedia.org/wiki/Yankee_screwdriver

http://otools1.wkfinetools.com/mechanicT/z_readArticle/ratchetScrewdr/RatchetScrew2.asp

Part 2 :

http://datamp.org/patents/displayPatent.php?id=7809

http://datamp.org/patents/displayPatent.php?id=7797

http://www.google.co.in/patents/US593157

http://www.datamp.org/patents/search/xrefPerson.php?source=xrefPerson10496&id=10496

http://cfales.sos4net.com/Sdpat_db.htm

http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&HomeUrl=&docid=0750183

http://pdfpiw.uspto.gov/.piw?PageNum=0&idkey=NONE&SectionNum=3&HomeUrl=&docid=0791895