Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… … Wikipedia
rotary press — Print. a printing press in which the type or plates to be printed are fastened upon a rotating cylinder and are impressed on a continuous roll of moving paper. [1925 30] * * * Printing press that prints on paper passing between a supporting… … Universalium
Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… … Wikipedia
Plate number coil — A plate number coil (PNC) is a United States postage stamp with the number of the printing plate or plates printed on it. The plate number typically appears as one or more small digits in the margin at the bottom of the stamp. The plate number… … Wikipedia
Rotary kiln — A Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:* Cement * Lime * Refractories * Metakaolin * Titanium dioxide * Alumina * … Wikipedia
Pistonless rotary engine — This article is about internal combustion engines that do not use conventional pistons. See also rotary engine (disambiguation) for other uses of this term, and rotary engine for the World War I aircraft engines by that name. A pistonless rotary… … Wikipedia
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
Kite types — Colorful delta wing kite Kites are tethered flying objects which fly by using aerodynamic lift, requiring wind, (or towing), for generation of airflow over the lifting surfaces. Contents 1 Kite … Wikipedia
Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan … Wikipedia
Mahindra Navistar — Automotives Ltd Type Private Industry Automotive[1] Founded … Wikipedia
Panzer IV — Infobox Weapon is vehicle= yes name= Panzer IV caption= Panzer IV Ausf. H, El Goloso Museum of Armored Vehicles, Madrid, Spain origin= Nazi Germany type= Medium tank service= 1939 ndash;1945 (Nazi Germany) used by= Nazi Germany Romania Hungary… … Wikipedia