Farrow's military encyclopedia : a dictionary of military knowledge . part of the piston, and the follower also, are turneddown below size and do not bear at all. By this ar-rangement, also, whenever after long wear it becomesnecessary to rebore the cylinder, we have only to turnup a new chimk ring instead of titling up a whole newpiston. See Steam-engine. PISTOS.—Broad, short, double-edged swords ofthe fifteenth century, which do not differ materiallyfrom the anelacea. PIT.—The pit, in gun-casting, is usually a circularwell, nineteen feet deep,and twelve feet in diameter;the walls are of bric
Farrow's military encyclopedia : a dictionary of military knowledge . part of the piston, and the follower also, are turneddown below size and do not bear at all. By this ar-rangement, also, whenever after long wear it becomesnecessary to rebore the cylinder, we have only to turnup a new chimk ring instead of titling up a whole newpiston. See Steam-engine. PISTOS.—Broad, short, double-edged swords ofthe fifteenth century, which do not differ materiallyfrom the anelacea. PIT.—The pit, in gun-casting, is usually a circularwell, nineteen feet deep,and twelve feet in diameter;the walls are of brick,and the bottom,an iron tank ofone-half inch sheet-iron, extending upwards eightfeet. The mouth of the pit is provided with ironcovers,made to fit closely to prevent escaping of heatfrom the fire built around the flask. During the cast-ing, the gas which is generated and passed outthrough the holes in the flask is ignited by droppingsmall (juantities of molten metal into tlie pit, and assoon after cast as possible,afire is built in the pit,about the bottom of
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Keywords: ., bookcentury1800, bookdecade188, booksubjectmilitaryartandscience
