The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volumen42Robertson, 1845 |
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Página 12
... equal velocities , and to- gether . To obtain , then , the average effect , we must ascertain what is the power exerted upon the crank at equal distances in its orbit , which will be performed at equal intervals of time . Such was the ...
... equal velocities , and to- gether . To obtain , then , the average effect , we must ascertain what is the power exerted upon the crank at equal distances in its orbit , which will be performed at equal intervals of time . Such was the ...
Página 14
... equal recip- rocating action , might be imparted to the threads of the cloth , during the process of drying , with reference to the result previously alluded to ; that accordingly he had made certain experiments , and that those experi ...
... equal recip- rocating action , might be imparted to the threads of the cloth , during the process of drying , with reference to the result previously alluded to ; that accordingly he had made certain experiments , and that those experi ...
Página 16
... equal size were placed between the two lines of plates - the upper plates being inverted . As the foundations of these ways consisted of the original foundation of the building , there could of course be no hazard of yielding , as the ...
... equal size were placed between the two lines of plates - the upper plates being inverted . As the foundations of these ways consisted of the original foundation of the building , there could of course be no hazard of yielding , as the ...
Página 19
... equal on the earth , & c . This season apparatus is included in the charge ; so the whole - the machine and the season appendage - may be purchased for thirty - seven shillings . I have a few more astronomical in- struments , and other ...
... equal on the earth , & c . This season apparatus is included in the charge ; so the whole - the machine and the season appendage - may be purchased for thirty - seven shillings . I have a few more astronomical in- struments , and other ...
Página 23
... equal to about three or four horses , using a ram weighing 12 cwt . , and giving six or seven blows per minute ; the greatest height of fall was be- tween 13 feet and 14 feet . Mr. Rendel said , that the machine worked remarkably well ...
... equal to about three or four horses , using a ram weighing 12 cwt . , and giving six or seven blows per minute ; the greatest height of fall was be- tween 13 feet and 14 feet . Mr. Rendel said , that the machine worked remarkably well ...
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Pasajes populares
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 293 - Orders of The House, examined the matters to them referred; and have agreed to the following REPORT...
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.