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2. Rotary mower - Wikipedia

   en.wikipedia.org/wiki/Rotary_mower

   An American rotary lawnmower mechanic (b. 1927) when queried as to the first rotary mower he knew of - produced a picture of a machine mass produced around 1939 which originally used a Ford Model A or B electric starter motor turned vertically with a steel disc attached to the output shaft having common sickle bar trapezoidal blades riveted upon it.

3. Lawn mower - Wikipedia

   en.wikipedia.org/wiki/Lawn_mower

   Many people experimented with rotary blade mowers in the late 1920s and early 1930s, and Power Specialties Ltd. introduced a gasoline-powered rotary mower. Kut Kwick replaced the saw blade of the "Pulp Saw" with a double-edged blade and a cutter deck, converting the "Pulp Saw" into the first ever out-front rotary mower. [10]

4. Rotary saw - Wikipedia

   en.wikipedia.org/wiki/Rotary_saw

   A rotary reciprocating saw is a type of saw that spins a cutting implement around a rotary axis, instead of thrusting it along a linear axis. The first use of such devices was in medicine , where cutting through bone warranted the need for a saw with minimal stroke length, and a cutting action that could be implemented through depth cut rather ...

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Lathe - Wikipedia

   en.wikipedia.org/wiki/Lathe

   Modern metal lathe A watchmaker using a lathe to prepare a component cut from copper for a watch. A lathe (/ l eɪ ð /) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, threading and turning, with tools that are applied to the workpiece to create an object with symmetry about ...

7. Rotary cutter - Wikipedia

   en.wikipedia.org/wiki/Rotary_cutter

   A rotary cutter is a tool generally used by quilters to cut fabric.It consists of a handle with a circular blade that rotates, thus the tool's name. Rotary cutter blades are very sharp, can be resharpened, and are available in different sizes: usually smaller blades are used to cut small curves, while larger blades are used to cut to straight lines and broad curves.

8. Rotary steerable system - Wikipedia

   en.wikipedia.org/wiki/Rotary_steerable_system

   A rotary steerable system (RSS) is a form of drilling technology used in directional drilling. It employs the use of specialized downhole equipment to replace conventional directional tools such as mud motors .

9. Rotary snowplow - Wikipedia

   en.wikipedia.org/wiki/Rotary_snowplow

   Operational rotary snowplow Xrotd 9213 on the Rhaetian Railway in Switzerland. A rotary snowplow (American English) or rotary snowplough is a piece of railroad snow removal equipment with a large circular set of blades on its front end that rotate to cut through the snow on the track ahead of it. The precursor to the rotary snowplow was the ...