Master your Minecraft

Special Offers see all

Enter to WIN a $100 Credit

Subscribe to
for a chance to win.
Privacy Policy

Tour our stores

    Recently Viewed clear list

    What I'm Giving | December 2, 2014

    Cary Elwes: IMG Cary Elwes: What I'm Giving

    At Powell's, we feel the holidays are the perfect time to share our love of books with those close to us. For this special blog series, we reached... Continue »


This item may be
out of stock.

Click on the button below to search for this title in other formats.

Check for Availability
Add to Wishlist

Manual of Screw Cutting and Change Gears


Manual of Screw Cutting and Change Gears Cover


Synopses & Reviews

Publisher Comments:

Two Books in one!

You get Manual of Screw Cutting 4th edition (1887) containing rules for calculating the change gears on screw-cutting lathes to cut square and angular threads per inch or per pitch, with two or four gears. Also, useful rules for calculating the diameters and speeds of pulleys.

Topics include how to cut a thread without reversing or stopping the lathe, how to find two gears, how to cut fractional threads, how to measure fractional threads, how to find the set required on a screw cutting tool, how to find the diameters of pulleys, how to prove four gears, strength of tapping holes, how to cut double of treble threads, and more.

Then you get Change-Gears from 1935. Calculating auxiliary change-gears for cutting special threads or pitches not within the range of the regular quick-change gear-box; A method of utilizing various settings of the gear-box to avoid using special auxiliary gears.

You get change gear formulas, examples of calculations, compound gearing for thread cutting, number of threads per inch cut with given combination of change-gears, change-gears for metric pitches using English lead-screw, when the lathe has a metric-lead screw, translating gears for metric pitches, and more.

Product Details

Two Books in One
Lindsay Publishers
Edition Description:
1887 and 1935

Related Subjects

Science and Mathematics » Engineering » Featured Titles

Manual of Screw Cutting and Change Gears
0 stars - 0 reviews
$ In Stock
Product details pages Lindsay Publishers - English 9781559182898 Reviews:
  • back to top


Powell's City of Books is an independent bookstore in Portland, Oregon, that fills a whole city block with more than a million new, used, and out of print books. Shop those shelves — plus literally millions more books, DVDs, and gifts — here at