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Alundum is a form of alumina (aluminium oxide) used in the manufacture of thermionic valves for insulating the cathode heater from the tubular cathode.
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CHEU is an abbreviation for Cradle Heater Electronics Unit
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HCE is an abbreviation for Heater Control Electronics
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The Niels Iuel was a Danish coastal defence ship of 3800 tons displacement launched in 1918. The Niels Iuel was powered by two Yarrow coal-fired and two Yarrow oil-fired boilers providing a top speed of 16 knots and a range of 8000 km at 10 knots. She carried a complement of 365 and was armed with ten 150 mm Bofors M20 guns; two 6-odr guns; ten 20 mm anti-aircraft guns; fourteen 8 mm machine-guns and two submerged 17.7 inch heater torpedo tubes.
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In heraldry, a heater is a short, squat type of shield that superseded the elongated or kite shaped shield around the time of Henry III in England.
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In heraldry, heater curved refers to a shape of heater shield. The heater curved shield has a flat top and sides which curve to a point at the base, giving a squat, almost square shaped shield.
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In heraldry, heater pointed refers to a shape of shield. The heater pointed shield has a flat top and sides which taper to a point at the base.
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In heraldry, kite shaped refers to a shape of shield. The kite shaped shield is rounded at the chiefs and tapers down the sides to a pointed base. Kite shaped, or elongated shields are found in 15th and 16th century heraldry, and were used in the days of Richard I and among the Barons of the Magna Carter. The kite shaped shield was superseded by the smaller heater shield which came into use in England with Henry III.
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In heraldry, triangular refers to a shape of shield. The triangular shield is
triangular in shape, differing from the heater pointed in the sides being straight, rather than curved, to the point at the base.
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Blue Peter is London Cockney rhyming slang for a heater.
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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