rotary machine
91Coandă-1910 — Coandă 1910 …
92Lawn mower — A typical modern gasoline powered push mower. A riding mower or ride on …
93Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
94Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
95Combine harvester — A Lely open cab combine. Harvesting oats in a C …
96Cultivator — F210 Honda tiller 1949 Farmall C with C 254 A two row cultivator …
97List of crew-served weapons of the U.S. Armed Forces — This list contains weapons that are classified as crew served, as the term is used in the United States military. While the general understanding is that crew served weapons require more than one person to operate them, there are important… …
98Two-wheel tractor — in Italy (2008) Two wheel tractor or walking tractor are generic terms understood in the USA and in parts of Europe to represent a single axle tractor, which is a tractor with one axle, self powered and self propelled, which can pull and power… …
99Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
100List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,… …
