..., was 11%inches, and the diameter of the handle 36 inches. The ratio of the weight to the power on this combination is 105 to 1. The weight was raised in all cases through 164 feet, and so proportioned in the differentexperiments as to give a resistance against the hands of the men of 10, 15, 20, 25, 30...

...T WICKSTEED © Thomas Telford and ICE 1836 POWER HIGH PRESSURE EXPANSIVE EXPANSION CONDENSING STEAM ENGINES CORNISH MINES MINING PUMPING TURF PEAT FUEL DUTY ACCURACY MEASUREMENT CONSUMPTION WATERWORKS HIGH PRESSURE BOILERS PRODUCTIVITY CYLINDERS PUMPS WATER RAISING...

...J FIELD © Thomas Telford and ICE 1836 CANALS LOCKS WATER RAISING LEVELS MODELS 61 Ill. Impmed Canal Lock, by JOSHUFAIELDEs,q., T.R.S.,V.P.Imt.C.E. THEnumerous and extensive navigable canals by which this kingdom is intersected, have tended in a great degree to exhaust everynatural...