The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volumen42Robertson, 1845 |
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Página 2
... manner , soon showed symptoms of decay , and it was found necessary to rebuild the eastern or seaward portion of them . The late Mr. John Rennie was consulted , and his advice was , that the piers should be prolonged with solid masonry ...
... manner , soon showed symptoms of decay , and it was found necessary to rebuild the eastern or seaward portion of them . The late Mr. John Rennie was consulted , and his advice was , that the piers should be prolonged with solid masonry ...
Página 4
... manner underneath each upper tim- ber , and in the order in which they were inserted in the building . Finally , when all these wheels were brought to their bearing , the small portions of the original masonry left in the four corners ...
... manner underneath each upper tim- ber , and in the order in which they were inserted in the building . Finally , when all these wheels were brought to their bearing , the small portions of the original masonry left in the four corners ...
Página 6
... manner stated to be 52,480 lbs . The gross weight moved was calculated to be 757-120 lbs . or 338 tons . The distances traversed were deter- mined by the various lengths of the railway beams which were taken up and relaid for- ward to ...
... manner stated to be 52,480 lbs . The gross weight moved was calculated to be 757-120 lbs . or 338 tons . The distances traversed were deter- mined by the various lengths of the railway beams which were taken up and relaid for- ward to ...
Página 12
... manner he informed us in his former paper that the pressure was taken by a steam gauge , but omitted mentioning that the said steam gauge , though affixed to the boiler , is connected by a small pipe leading into the slide - box of the ...
... manner he informed us in his former paper that the pressure was taken by a steam gauge , but omitted mentioning that the said steam gauge , though affixed to the boiler , is connected by a small pipe leading into the slide - box of the ...
Página 22
... manner in which steam power has been applied to our mercantile ves- sels , and indeed to our vessels of war , could never become generally useful , and I have been surprised a different adaptation of it has not taken place before this ...
... manner in which steam power has been applied to our mercantile ves- sels , and indeed to our vessels of war , could never become generally useful , and I have been surprised a different adaptation of it has not taken place before this ...
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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.