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The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [ nb 1 ] The stone continues in customary use in the United Kingdom and Ireland for body weight .
The 15 cm Sprgr L/4.6 KZ m Hb weighed 45.5 kg (100 lb) and had a muzzle velocity of 785 m/s (2,580 ft/s). It was a nose-fused HE shell with ballistic cap with two copper driving band and a lead ring behind them to act as a decoppering device by scraping away any copper residue from the driving band.
The projectiles were 61 cm (2 ft) long with a single bagged charge which weighed 13–14 kg (29–31 lb). The gun was able to fire: Armor piercing 45.3 kg (100 lb) High explosive base fuzed 45.3 kg (100 lb) High explosive nose fuzed 45.3 kg (100 lb) Common shell 45.3 kg (100 lb)
The 15.5 cm/60 3rd Year Type (60口径三年式15.5cm3連装砲, 60 kōkei sannenshiki 15.5 centi sanrensōhō) was a dual-purpose naval gun used by the Imperial Japanese Navy on the Yamato-class battleships as secondary armament in four triple turrets, the Mogami-class cruisers in five triple turrets (later converted to five twin 20 cm/50 3rd Year Type naval gun turrets) and on the light ...
Monolith with bull, fox, and crane in low relief at Göbekli Tepe. The density of most stone is between 2 and 3 tons per cubic meter. Basalt weighs about 2.8 to 3.0 tons per cubic meter; granite averages about 2.75 metric tons per cubic meter; limestone, 2.7 metric tons per cubic meter; sandstone or marble, 2.5 tons per cubic meter.
A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as a conulariid.Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [1] in minute crystalline form, which has been deposited in concentric layers.
Approximately 1,000 conversions were completed and their performance was the same with only a 40 kg difference in weight. [3] [4] The British referred to these guns and their shells as "five point nines" or "five-nines" as the internal diameter of the barrel was 5.9 inches (150 mm).
The Mousterian (or Mode III) is an archaeological industry of stone tools, associated primarily with the Neanderthals in Europe, and to the earliest anatomically modern humans in North Africa and West Asia. The Mousterian largely defines the latter part of the Middle Paleolithic, the middle of the West Eurasian Old Stone Age.