A Letter to M. Ricardo, Esq: In Reply to His Letter to Dr. Yates, on the Proposed Method of Pneumatic Transmission, Or Conveyance by Atmospheric PressureCreasy and Baker; and sold by R. Loder; also at Messrs. Baldwin and Company's ... London, 1827 - 118 pàgines |
Des de l'interior del llibre
Resultats 1 - 5 de 30.
Pàgina 25
... what has been published , even in the newspapers , as well as in several monthly publica- tions , you would have your readers suppose the principle has not been acted on . Ꭰ amount of resistance is equal to the 219th part of 25.
... what has been published , even in the newspapers , as well as in several monthly publica- tions , you would have your readers suppose the principle has not been acted on . Ꭰ amount of resistance is equal to the 219th part of 25.
Pàgina 26
... equal to the 219th part of the weight of the carriage ; and the greatest , is equal to the 172nd part ; and that the average of the whole will be about the two hundredth ( 204th ) part of the weight . " While discarding , therefore ...
... equal to the 219th part of the weight of the carriage ; and the greatest , is equal to the 172nd part ; and that the average of the whole will be about the two hundredth ( 204th ) part of the weight . " While discarding , therefore ...
Pàgina 29
... the power requisite to move any load , which increasing the diameter of the wheels produces ; and with the largest diameter I have specified , just equal to the 66 diameter of the cylinder or tunnel you have criticised 29.
... the power requisite to move any load , which increasing the diameter of the wheels produces ; and with the largest diameter I have specified , just equal to the 66 diameter of the cylinder or tunnel you have criticised 29.
Pàgina 34
... ( equal only to the three - thousandth part of a vacuum ) and as it is well known that , under the pressure I mention , ( 37 grains per square inch ) air will move at the rate of only about 12 miles an hour ; while my words are " a load ...
... ( equal only to the three - thousandth part of a vacuum ) and as it is well known that , under the pressure I mention , ( 37 grains per square inch ) air will move at the rate of only about 12 miles an hour ; while my words are " a load ...
Pàgina 35
... equal benefit by yourself , as by any one ; particularly when , after totally omitting to take into consideration the im- portant effect which momentum ( as well of the air itself , as of the vehicle ) would have in modifying the motion ...
... equal benefit by yourself , as by any one ; particularly when , after totally omitting to take into consideration the im- portant effect which momentum ( as well of the air itself , as of the vehicle ) would have in modifying the motion ...
Altres edicions - Mostra-ho tot
A Letter to M. Ricardo, Esq: In Reply to His Letter to Dr. Yates, on the ... John Vallance Visualització completa - 1827 |
A Letter to M. Ricardo, Esq.: In Reply to His Letter to Dr. Yates, on the ... John Vallance Previsualització no disponible - 2018 |
A Letter to M. Ricardo, Esq.: In Reply to His Letter to Dr. Yates, on the ... John Vallance Previsualització no disponible - 2016 |
Frases i termes més freqüents
admit advert air pumps apparatus ascertain atmospheric pressure attempt barometer Brighton and Shoreham Brindsley bushel of coals calculations canal cause coach conceive consequence conveyance conveyed Court of Chancery cylinder deem degree of exhaustion diameter drawn effect equal examine expense experience feet force friction Genoa give greater horses Ice Boat impediment impossible inch of mercury increased investigation JOHN VALLANCE load locomotive engines machinery Medhurst method of pneumatic miles an hour motion move the carriage necessary to move notwithstanding object observe opinion owing Palmer patent PATENT OFFICE LIBRARY persons pipe pistons pneumatic transmission pose pounds per mile power necessary power required practical illustration principle proportion propose proposition prove rail road railway rarefaction ratus reference render reply scale shew shillings Shoreham Harbour six miles stationary engines steam engine suppose thing tion tons treatise tube tunnel turnpike roads two-hundredth vacuum Vallance valves vehicle velocity vessels weight wheels