The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volumen 27M. Salmon, 1837 |
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Términos y frases comunes
apparatus appears April April 18 atmosphere Baddeley balloon Birmingham body boiler Brighton burner carriages cause centre chimney coal Cocking Committee common consequence construction Country Teacher Cyclopædia cylinder Davy Lamp diameter distance effect electricity engine ENGLISH PLEASURE equal escape experiments favour feet fire fluid force G. W. M. Reynolds give given heat improvements inches invention iron John Herapath Kinclaven length letter light Liverpool London machine Magazine manufacture matter means Mechanics ment metal miles minutes motion Nautilus NOTES AND NOTICES object observations obtained parachute patent Penny Cyclopædia period persons pipe planets present pressure principle produced prove purpose quantity rail railway readers REGENT'S CANAL screw side Sir Humphry Sir Humphry Davy Society spike steam sufficient suppose surface synodic period temperature theory tion tube Tunnel valve velocity ventilation vessel volume weight wheels whole wire
Pasajes populares
Página 378 - ... 30 years reduce this to half a degree, 50 years to one third, and 100 years to one quarter of a degree. Before leaving this part of the subject, it may be well to point out that, while no period is too long for obtaining a good average, yet a secular change may be occurring, and hence the present average is not of necessity the mean value of the whole period. If we were fortunate enough to have very long observations, it would be necessary to divide them into two or more...
Página 173 - As to any remuneration, you may think my songs either above or below price ; for they shall absolutely be the one or the other. In the honest enthusiasm with which I embark in your undertaking, to talk of money, wages, fee, hire, &c. would be downright prostitution of soul ! A proof of each of the songs that I compose or amend, I shall receive as a favour.
Página 446 - Declared Value of British and Irish Produce and Manufactures Exported from the United Kingdom to the United States of America, in each year, from 1805 to 1811, and from 1814 to 1836.
Página 229 - Description and Draught of a new-invented MACHINE for carrying vessels or ships out of or into any harbour, port or river, against wind and tide, or in a calm...
Página 253 - Revenue alone ; and to whom several Petitions were referred; and who were empowered to report the MINUTES OF EVIDENCE taken before them to The House; -HAVE considered the Matters to them referred, and agreed to the following REPORT : The...
Página 130 - Glasgow, merchant, and John Gibson, of the same city, throwster, for a new or improved process or manufacture of silk, and silk in combination with certain other fibrous substances.
Página 50 - When a person is placed," says he, "in condensed air, he breathes with a new facility; he feels as if the capacity of his lungs was enlarged ; his respirations become deeper and less frequent; he experiences, in the course of a short time, an agreeable glow in his chest, as if the pulmonary cells were becoming dilated with an elastic spirit, while the whole frame receives, at each inspiration, fresh vital impulsion. The functions...
Página 207 - The rope was wound up with a weight of fourteen pounds attached, and twenty eight pounds were lifted from the floor. The movement is instantly stopped by breaking the connexion with the battery, and then reversed by simply interchanging the connexion of the wires of the battery with those of the machine, when it becomes equally rapid in the opposite direction.
Página 264 - At this juncture, had it not been for the application to our mouths of two pipes leading into an air-bag, with which we had furnished ourselves previous to starting, we must within a minute have been suffocated, and so, but by different means, have shared the melancholy fate of our friend.
Página 207 - By the galvanic connection, these crosses and their connected segments are magnetized, acquiring north and south polarity at their opposite ends, and being thus subjected to the attracting and repelling force of the circular fixed magnets, a rapid horizontal movement is produced, at the rate of two hundred...