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 20.
Pàgina 13
... diameter ; and the air pumps are capable of exhausting all the air out of a tube of that size , extending from Brighton to Shoreham Harbour , in half an hour . 6th , because common sense informs us , that if it be possible to put the ...
... diameter ; and the air pumps are capable of exhausting all the air out of a tube of that size , extending from Brighton to Shoreham Harbour , in half an hour . 6th , because common sense informs us , that if it be possible to put the ...
Pàgina 27
... diameter , or nearly four times as large as the fore - wheels of a coach . " Now , the profundity of your research causes you to deem this circumstance too unimportant to be even noticed . But as it is possible that it may not be ...
... diameter , or nearly four times as large as the fore - wheels of a coach . " Now , the profundity of your research causes you to deem this circumstance too unimportant to be even noticed . But as it is possible that it may not be ...
Pàgina 29
... diameter , carrying from one ton to nearly five tons , is the conclusion , that on rail - roads as now constructed ... diameter , one two - hundredth of the weight to be moved is the measure of the power requisite to move it , with ...
... diameter , carrying from one ton to nearly five tons , is the conclusion , that on rail - roads as now constructed ... diameter , one two - hundredth of the weight to be moved is the measure of the power requisite to move it , with ...
Pàgina 30
... diameter of the cylinder or tunnel you have criticised , I proceed to investigate in what proportion your calculations are erroneous . Adverting to a load of one hundred tons , you say , " the power necessary to move this would be ...
... diameter of the cylinder or tunnel you have criticised , I proceed to investigate in what proportion your calculations are erroneous . Adverting to a load of one hundred tons , you say , " the power necessary to move this would be ...
Pàgina 33
... diameter of the wheels can be increased , may be carried to account . I sum up , therefore , on this part of the ques- tion , by saying , that if the calculations you have made , as to the power necessary to move any weight along the ...
... diameter of the wheels can be increased , may be carried to account . I sum up , therefore , on this part of the ques- tion , by saying , that if the calculations you have made , as to the power necessary to move any weight along the ...
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