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Keywords: AUGER
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Journal Articles
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1842) 2 (1842): 146–147.
Published: 01 January 1842
...L CARNEGIE © Thomas Telford and ICE 1842 MACHINES STONE BORING BARS STEEL INSTRUMENTS SCREWS AUGER HOLES MACHINERY HUNTER 146 Stoue Borinn Mac with rings of angle-iron, andthepressure of thesteam to which the safety valves were weighted was 50 lbs. on the square inch. From...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1837) 1 (1837): 18.
Published: 01 January 1837
... of theperpendicular.Thisapparatusis found pe- culiarly convenient in chalk, and when stones are met with ; since in most cases, if the auger be sufficiently hard, the stones flash off in small chips similar to gun flints. A Method of breaking Ice,by forcing it upwardsinstead of downwards ; practised on the Herefordshire...

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