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action advantages angles apparatus appears applied arrangement atmosphere boiler bridge building called carried cause centre claim communication connected consequently considerable consists construction cylinder described diameter direction effect employed engine equal experiments feet fire fixed force four furnace give given glass greater heat hour improvements inches increased invention iron January January 11 John length less light London machine manner manufacture March material matter means Mechanics ment metal miles minute motion moving object observed obtained opening passes patent piece pipes plane plate position practical present pressure principle produced propeller quantity railway render respect result rollers screw shaft side six months solidity speed steam sufficient supply surface tion tons tube turn valve vessel weight wheel whole
Página 109 - they were in large flocks containing both species in the proportion of two of the former to one of the latter " (the present)
Página 83 - ... a way to make my vessels so that they are strengthened by the force within them, and the one to fill after the other, I have seen the water run like a constant...
Página 84 - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it three...
Página 62 - A Treatise on the Forces which produce the Organization of Plants. With an Appendix, containing several Memoirs on Capillary Attraction, Electricity, and the Chemical Action of Light.
Página 254 - It is far from my wish to promulgate to the world that the ridiculous expectations, or rather professions, of the enthusiastic speculatist, will be realised, and that we shall see engines travelling at the rate of twelve, sixteen, eighteen, twenty miles an hour. Nothing could do 'more harm towards their general adoption and improvement than the promulgation of such nonsense...
Página 254 - It was not an easy task for me to keep the engine down to ten miles an hour, but it must be done, and I did my best.
Página 226 - Walton do hereby describe the manner in which my said invention is to be performed, by the following statement thereof, reference being had to the drawing annexed, and to the figures and letters marked thereon...
Página 83 - ... but unanimously, and with harmony agreeing they all augment and contribute strength unto the intended work and operation: And therefore I call this A Semi-omnipotent Engine, and do intend that a Model thereof be buried with me.
Página 255 - It is possible that roads paved with iron may hereafter be employed for the purpose of expeditious travelling, since there is scarcely any resistance to be overcome except that of the air; and such roads will allow the velocity to be increased almost without limit.