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{{short description|Method of photography}} [[File:Afocal photography.png|thumb|right|350px|An afocal setup with a digital camera and a [[finders ...

...producing sub-microsecond light flashes, allowing for (ultra) [[high-speed photography]]. This is achieved by a high-voltage (20 kV typically) electric disch ...tp://www.njnoordhoek.com/?p=735 Amateur air-gap flash for ultra-high-speed photography by Niels Noordhoek] ...

...e durable. Often such information (normally ranging marks) was etched onto equipment such as [[stiletto]] daggers or shovels. ...6|p=10}} Photo-chemical milling was extensively used in the development of photography methods, allowing light to create impressions on metal plates. ...

...and 2.39:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography. ...ther aspect ratios, such as 5:3, 5:4, and 1:1 (square format), are used in photography as well, particularly in [[medium format]] and [[large format]]. ...

[[File:Bullet coming from S&W.jpg|thumb|right|A [[high-speed photography|high-speed photograph]] of a [[.38 Special]] bullet fired out of a [[Smith ...ensure his or her ammunition meets the requirements for the competition or equipment division. ...

...of flight conditions on the materials in use. However, the high technology equipment in use today was designed to help us safely explore the more exotic operati [[File:Boyle air pump.jpg|thumb|text-top|upright|Boyle's equipment]] ...

...il rig in the North [[Atlantic]], off the coast of [[Greenland]]. When the equipment begins malfunctioning, Wherry orders everything to be shut down. However, e ...num, the director of photography; Ken Toussaint, the assistant director of photography; Wolff, the network liaison and channel representative; George Creel, the p ...

=== Telegraphy, telephony, the wireless, and photography === ...s native Italy, [[Guglielmo Marconi]] moved to England and adapted Hertz's equipment for this purpose in the 1890s. He achieved the first international wireless ...

...all UK [[scaffolding]]. Additionally, the standard photographic [[tripod (photography)|tripod]] thread, which for small cameras is 1/4" Whitworth (20 tpi) and fo ...equipment made prior to the 1970s for telephone exchanges in the UK. This equipment made extensive use of odd-numbered BA screws, in order—it may be suspected— ...

{{about|the activity and procedures|the equipment|Diving rebreather}} ...ng]] [[life-support system]]s, but in these applications the gas recycling equipment is not carried by the diver. [[Atmospheric diving suit]]s also carry rebrea ...

...high intensities of up to several thousand suns are possible. This type of equipment is often used to prevent unnecessary heat build-up in the device under test ...

...pacitors. These components can be found on almost all boards of electronic equipment. They are characterized by particularly inexpensive and easy to process bas ...re.<ref name="Beuth">IEC 60384-4-1, Fixed capacitors for use in electronic equipment – Part 4-1: Blank detail specification – Fixed aluminium electrolytic capac ...

...[[France|French]] engineers [[Nicéphore Niépce]] (who went on to invent [[photography]]) and [[Claude Niépce]] ran a prototype internal combustion engine, using ...viced by the system and then returns the oil to a reservoir. The auxiliary equipment of an engine is typically not serviced by this loop; for instance, an [[alt ...

...tage under discharge, but require complex electronic control and switching equipment, with consequent energy loss and spark hazard given a short.{{Clarify|date= ...]] 62391–1, ''Fixed electric double layer capacitors for use in electronic equipment''. ...

...[[Kosmos 7]], the first successful Soviet mission to conduct surveillance photography of the entire United States.<ref>{{cite book |first=Craig |last=Nelson |tit ...tor and founder of the [[Miller Electric]] manufacturer of [[arc welding]] equipment ...

...is the flight configuration of a [[fixed-wing aircraft]] when its external equipment is retracted to minimize drag and thus maximize [[airspeed]] for a given po * '''[[Distance measuring equipment]]''' – (DME), is a radio navigation technology that measures the [[slant ra ...

...wn.<ref>Described by William James Morton (1845–1920) in: ''The X-ray; Or, Photography of the Invisible and Its Value in Surgery'' (English; German: ''Röntgenstra [[File:Pedoskop.jpg|thumb|Pedoscope from the 1930s by Ernst Gross X-ray equipment, Berlin, ''[[Physikmuseum Salzburg]]''. Later, an additional viewing slit f ...