tubular condenser
21Bass instrument amplification — for the bass guitar, double bass and similar instruments is distinct from other types of amplification systems due to the particular challenges associated with low frequency sound reproduction. This distinction affects the design of the… …
22Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… …
23Stanley Steamer — The Stanley (nicknamed Stanley Steamer) was a steam powered automobile produced by the Stanley Motor Carriage Company. In 1906, the Stanley Rocket set the world land speed record at 205.5 km/h (127.7 mph) at the Daytona Beach Road Course, driven… …
24Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
25History of rail transport — The history of rail transport dates back nearly 500 years, and includes systems with man or horse power and rails of wood or stone. Modern rail transport systems first appeared in England in the 1820s. These systems, which made use of the steam… …
26Trichloroethylene — chembox new ImageFileL1=Trichloroethene skeletal.png ImageSizeL1=120px ImageFileR1=Trichloroethylene 3D vdW.png ImageSizeR1=120px IUPACName=trichloroethene OtherNames = 1,1,2 Trichloroethene, 1,1 Dichloro 2 Chloroethylene, 1 Chloro 2,2… …
27Sound recording and reproduction — Sound recorder redirects here. For the audio recording program computer software, see Sound Recorder (Windows). Sound recording and reproduction is an electrical or mechanical inscription and re creation of sound waves, such as spoken voice,… …
28Gangut class battleship — For other uses, see Gangut (disambiguation). Gangut during World War I Class overview Builders: Admiralty Shipyard Baltic Shipyard …
29Round-bottom flask — Round bottom flasks (also called round bottomed flasks and Erlenmeyer Bulbs) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. They are typically made of glass for chemical… …
30Schlenk flask — Infobox Laboratory equipment name = Schlenk flask caption = A selection of Schlenk flasks and, bottom right, a Schlenk tube acronym = other names = Schlenk tube uses = Vacuum Inert gas inventor = Wilhelm Schlenk manufacturer = model = related =… …
