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6 results for “Armature”
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Britannica 11th
Encyclopaedia Britannica · 11th edition
Armature
Britannica 11thARMATURE (from Lat. armatura, armour), a covering for defence. In zoology the word is used of the bony shell of the armadillo. In architecture it is applied to the iron stays by which the lead lights are secured in windows. (See STANCHION and SADDLE: Saddle-Ba ...
Armadillo
Britannica 11th... merican mammals of the order Edentata, constituting the family Dasypodidae. The armature consists of a bony case, partly composed of solid buckler-like plates, and partly of movable transverse bands, the latter differing in number with ARMAGEDDON— ARMAGH the r ...
Electricity
Britannica 11th... of the first was devised in 1832 by H. Pixii. It consisted of a fixed horseshoe armature wound over with insulated copper wire in Front of which revolved about a vertical axis a horseshoe magnet . Pixii, who invented the split tube commutator for converting th ...
G H
Britannica 11th... d plates, as the carriers. The wire which Fl(J 4._Belti's Doubler. connects two armature plates for a moment is the neutralizing conductor. The :wo curved metal plates constitute the field plates and must bave original charges imparted to them of opposite sign ...
Telegraph
Britannica 11th... ared, in the instrument. ments of the most recent pattern, to a Siemens shuttle armature placed between the two arms of a powerful horseshoe permanent magnet. When one of a series of keys (each corresponding to a letter) arranged round a pointer is depressed, ...
Telephone
Britannica 11th... " Galvanic Music," the musical note pro- coveiy. duced by rapidly revolving the armature of an electromagnet in front of the poles. Experiments bearing on this subject were subsequently made by a great number of investigators.4 Page's discovery is of considera ...