pull down mechanism

См. также в других словарях:

• pull-down menu — menu men u (m[e^]n y[=oo]), n. [F., slender, thin, minute. See 4th {Minute}.] 1. The details of a banquet; a list of the dishes served at a meal, whether or not one has a choice. [PJC] 2. Any list of objects, activities, etc. from which to… …   The Collaborative International Dictionary of English

• Fire alarm pull station — A fire alarm pull station is an active fire protection device, usually wall mounted, that, when activated, initiates an alarm on a fire alarm system. In its simplest form, the user activates the alarm by pulling the handle down, which completes a …   Wikipedia

• Push-pull train — Push pull is a mode of operation for locomotive hauled trains allowing them to be driven from either end. A push pull train has a locomotive at one end of the train, connected via multiple unit train control, to a vehicle equipped with a second… …   Wikipedia

• Tie down hardware — used on the a transmitter tower in Mullaghanish, Ireland. Tie down hardware is used to turn webbing into a tie down strap. There are various categories of tie down strap hardware that allow for the creation of a virtually unlimited number of… …   Wikipedia

• Toaster — A toaster is a small electric kitchen appliance designed to toast slices of bread. A typical modern two slice toaster draws anywhere between 600 and 1200 W and makes toast in 1 to 3 minutes. Types of toaster Modern toasters are typically one of… …   Wikipedia

• History of sound recording — Methods and media for sound recording are varied and have undergone significant changes between the first time sound was actually recorded for later playback until now. Technology Mechanical recording The first devices for recording sound were… …   Wikipedia

• Alfred Darling — (1862 1931) began to manufacture film equipment at his engineering works at 25 Ditchling Rise, Brighton after carrying out repairs for Esmé Collings. His clients included George Albert Smith and James Williamson. In 1897 he took out a patent,… …   Wikipedia

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …   Wikipedia

• Organ — • A musical instrument which consists of one or several sets of pipes, each pipe giving only one tone, and which is blown and played by mechanical means. Catholic Encyclopedia. Kevin Knight. 2006. Organ     Organ …   Catholic encyclopedia

• Manual fire alarm activation — Single action pull station. A manual call point in the UK …   Wikipedia