winding mechanism
71nucleic acid — /nooh klee ik, klay , nyooh /, Biochem. any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides. [1890 95; NUCLE(US) + IC;… …
72Longcase clock — The article Grandfather clock redirects here. For other uses, see Grandfather clock (disambiguation) A longcase clock with a pine case, c. 1790, by Thomas Ross of Hull. The two keyholes on either side of the dial show this to be an eight day… …
73Movement (clockwork) — Movement of a Russian aviation chronograph In horology, a movement is the internal mechanism of a clock or watch, as opposed to the case, which encloses and protects the movement, and the face which displays the time. The term originated with… …
74Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
75Stepper motor — A stepper motor (or step motor) is a brushless, synchronous electric motor that can divide a full rotation into a large number of steps. The motor s position can be controlled precisely, without any feedback mechanism (see open loop control).… …
76military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
77ECONOMIC AFFAIRS — THE PRE MANDATE (LATE OTTOMAN) PERIOD Geography and Borders In September 1923 a new political entity was formally recognized by the international community. Palestine, or Ereẓ Israel as Jews have continued to refer to it for 2,000 years,… …
78AC motor — An AC motor is an electric motor that is driven by an alternating current. It consists of two basic parts, an outside stationary stator having coils supplied with AC current to produce a rotating magnetic field, and an inside rotor attached to… …
79Rolex Submariner — The Rolex Oyster Perpetual Submariner is a line of watches manufactured by Rolex, designed for diving and known for their resistance to water. The first Submariner was introduced to the public in 1954 at the Swiss Watch Fair. Copied by other… …
80Perm (hairstyle) — A permanent wave, commonly called a perm, is the chemical and/or thermal treatment of hair to produce waves or curls. The use of the word permanent is justified insofar as when the wave is permed, it remains so; however, as the hair grows, the… …
