parallel-sided
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India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
Spray forming — Spray forming, also known as spray casting, spray deposition[1] and in situ compaction,[2] is a method of casting near net shape metal components with homogeneous microstructures via the deposition of semi solid sprayed droplets onto a shaped… … Wikipedia
List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex … Wikipedia
Radio masts and towers — Masts of the Rugby VLF transmitter in England … Wikipedia
7.5 cm PaK 41 — The PaK 41 was one of the last German anti tank guns brought into service and used in World War II. It was built on the squeeze bore principle (Gerlich in German, from the German gun designer Hermann Gerlich who developed the principle in the… … Wikipedia
iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… … Universalium
Oakeshott typology — Ewart Oakeshott s typology of the medieval sword is based on blade morphology. It categorizes swords into 13 main types labelled X to XXII. Ewart Oakeshott introduced it in his The Archeology of Weapons: Arms and Armour from Prehistory to the Age … Wikipedia
Shearing interferometer — The shearing interferometer is an extremely simple means to observe interference and to use this phenomenon to test the collimation of light beams, especially from laser sources which have a coherence length which is usually a lot longer than the … Wikipedia
Wheellock — Wheellock, wheel lock or wheel lock, is a mechanism for firing a firearm. It was the next major development in firearms technology after the matchlock and the first self igniting firearm. The mechanism is so called because it uses a rotating… … Wikipedia
Avenue (archaeology) — British Archaeologists refine the general archaeological use of avenue to denote a long, parallel sided strip of land, measuring up to about 30m in width, open at either end and with edges marked by stone or timber alignments and/or a low earth… … Wikipedia
Composite bow — Reconstruction of a Ming dynasty Kaiyuan bow by Chinese bowyer Gao Xiang. This is a horn, bamboo, sinew composite … Wikipedia
