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Chalk Springs in the London Basin illustrated by the Newbury
Borings in the Chalk at Bushey Herts By W Fox 2 cuts
On a Borehole in Leicestershire By T S Stooke 3 cuts
45 other sections not shown
Author band-saw basin beds bore-hole boring bottom brine C.E. vol carbon carried cast-iron cast-steel cent Chalk channel circular-saw clay coal Colliery considerable cost crucible steel cubic cylinders depth district Eiver engine Eoyal experiments extent feet firedamp flints flow fracture Frederick Bramwell gallons girders Greensand Grover inches in diameter increased iron irrigation Leatherhead length limit of elasticity logs London London Clay lower machine marsh-gas Messrs metres Middlesbrough millimetres mines Minutes of Proceedings Muntz metal Nanu Oya Netherton obtained Ordnance datum Paper passed pipes Plate pressure Proceedings Inst pumping railway rainfall reservoir river rollers salt sand Sandstone shaft side sinking Sir Lowthian Bell South spring square inch square miles steel strata sunk surface Telford Medal temperature tension thick timber tons per square town tube valley water-supply Waterworks weight Wokingham wrought-iron yards yield