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2. File:The Craftsman (IA craftsman2419unse).pdf - Wikipedia

   en.wikipedia.org/wiki/File:The_Craftsman_(IA...

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

3. Craftsman (tools) - Wikipedia

   en.wikipedia.org/wiki/Craftsman_(tools)

   Craftsman is a line of tools, lawn and garden equipment, and work wear.Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.. As with all Sears products, Craftsman tools were not manufactured by Sears during the company's ownership, but made under contract by various other companies.

4. Craftsman Book Company - Wikipedia

   en.wikipedia.org/wiki/Craftsman_Book_Company

   Craftsman Book Company of America, Inc. is a U.S. publisher with a comprehensive range of [1] technical references for construction professionals. [ 2 ] Locations

5. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.

6. Robertson screw - Wikipedia

   en.wikipedia.org/wiki/Robertson_screw

   Screwdriver bits in different sizes for Robertson screws. When Henry Ford tried the Robertson screws, he found that they saved considerable time in Model T production. When Robertson refused to license the design, Ford realized that the supply of screws would not be guaranteed, and chose to limit their use to his Canadian division. [4] [5] [6]

7. One Good Turn (book) - Wikipedia

   en.wikipedia.org/wiki/One_Good_Turn_(book)

   In the book, Rybczynski explains his discovery that the screwdriver is a relatively new addition to the toolbox, an invention of the Late Middle Ages in Europe and the only major mechanical device not independently invented by the Chinese. Leonardo da Vinci was there at the start, designing a number of screw-cutting machines with ...

8. Yankee screwdriver - Wikipedia

   en.wikipedia.org/wiki/Yankee_screwdriver

   The trade name "Yankee" screwdriver was first marketed by North Brothers Manufacturing Company in ≈16 April 1895, with the No. ≠130 spiral ratchet screwdriver. Yankee soon became and still is a well-known name in automatic spiral ratchet screwdrivers , with several other models, and model improvements patented by North Bros. over a 40-year ...

9. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver has been replaced in many workplaces and homes with a more modern and versatile tool, a power drill, as they are quicker, easier, and can also drill holes. The shaft is usually made of ...