ward-leonard drive
21The Energy Machine of Joseph Newman — Joseph Newman (inventor) redirects here. For other people called Joseph Newman, see Joseph Newman (disambiguation). Perpetual motion machine: The Energy Machine of Joseph Newman Diagram of a Newman Motor Disciplines physics …
22Mendocino motor — The Mendocino motor is a solar powered magnetically levitated electric motor. Contents 1 Description …
23Metadyne — For other uses, see Metadyne (disambiguation). A Metadyne is an electrical machine with three, or more, brushes. It can be used as an amplifier or rotary transformer. It is similar to a third brush dynamo but much more complex, having additional… …
24Electric generator — U.S. NRC image of a modern steam turbine generator In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow… …
25Amplidyne — An amplidyne is an electrodynamic amplifier invented during World War II by Ernst Alexanderson.It is an early form of servomechanism used to implement position feedback control for large motors. A small electrical signal can control the position… …
26P&H Mining — Equipment Inc. Type Subsidiary (Parent: Joy Global) Industry Mining Founded in 1884 Headquarters …
27performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
28literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
29Leave It to Beaver — Season one title screen Also known as Beaver Genre Sitcom Created by …
30List of churches in London — St. Paul s from the South London is the location of many famous churches, chapels and cathedrals, in a density unmatched anywhere else in England.[1] …
