Mechanics' Magazine, Volume 32Knight & Lacey, 1840 |
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Page iii
... Bertrand's " Lettres sur les ' Revolutions du Globe , " 555 Birmingham Town Hall organ , improve- ment in , 676 Blood , weight of , in human body at different Dr. Valentin , 144 ages , Blowpipe , Hare's , 288 ; Maugham's , 288 hydraulic.
... Bertrand's " Lettres sur les ' Revolutions du Globe , " 555 Birmingham Town Hall organ , improve- ment in , 676 Blood , weight of , in human body at different Dr. Valentin , 144 ages , Blowpipe , Hare's , 288 ; Maugham's , 288 hydraulic.
Page 13
... weight . I am aware that I cannot claim the increased speed of which my en- gines admit , in the abstract , but I do claim it in combination with , and as resulting from , the manner in which I have con- structed my engines , and ...
... weight . I am aware that I cannot claim the increased speed of which my en- gines admit , in the abstract , but I do claim it in combination with , and as resulting from , the manner in which I have con- structed my engines , and ...
Page 18
... weight and inconvenience of the paddle- box , afford more room on deck , and allow boats to come alongside with safety . " The novelty of the invention consists in the position which has been selected for ap- plying this peculiar ...
... weight and inconvenience of the paddle- box , afford more room on deck , and allow boats to come alongside with safety . " The novelty of the invention consists in the position which has been selected for ap- plying this peculiar ...
Page 30
... weights , as two and a - half , three , three and a - half , and four cwt . , laid upon the middle of each ; the last weight being within a few pounds of the breaking weight . The intention was to ascertain what effect would arise from ...
... weights , as two and a - half , three , three and a - half , and four cwt . , laid upon the middle of each ; the last weight being within a few pounds of the breaking weight . The intention was to ascertain what effect would arise from ...
Page 31
... weight to a greater extent , and the old metal is taken back in exchange by the manufacturers . Another , and perhaps an equally important , use of this metal is , for the bolts or fasten- ings of ships . From its hardness , when ...
... weight to a greater extent , and the old metal is taken back in exchange by the manufacturers . Another , and perhaps an equally important , use of this metal is , for the bolts or fasten- ings of ships . From its hardness , when ...
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Common terms and phrases
acid advantage æther angle apparatus appears applied Argand burner Birmingham boat boiler braces bridge Bude light burner canal carbonic acid carriage cast iron cause centre Charles Blagden chemical affinity Clovis coal common conductors construction copper cylinder diameter diving bell effect Ellesmere Canal employed engine engraving equal experiments feet fire flame fluid Galignani glass heat horse improvements inches invention iron John Robison length letter light Liverpool London machine machinery Magazine manufacture mastic means Mechanics ment Messrs metal miles mode motion object observed obtained operation paddle paddle-wheel paper passing patent piece pipe piston plate present pressure principle produced propelling pulley purpose quantity Railway ratus rectangular floats render rope screw shaft ship side six months steam steam-engine stove sufficient surface Telford tion trapezium floats treenails tube valve vessel W. A. Robertson weight wheel zinc
Popular passages
Page 461 - Almighty's form Glasses itself in tempests; in all time, Calm or convulsed, — in breeze, or gale, or storm, Icing the pole, or in the torrid clime Dark heaving; — boundless, endless, and sublime. The image of eternity, the throne Of the Invisible; even from out thy slime The monsters of the deep are made; each zone Obeys thee; thou goest forth, dread, fathomless, alone.
Page 461 - Thou glorious mirror, where the Almighty's form Glasses itself in tempests; in all time Calm or convulsed — in breeze, or gale, or storm, Icing the pole, or in the torrid clime Dark-heaving; boundless, endless, and sublime — The image of Eternity — the throne Of the Invisible; even from out thy slime The monsters of the deep are made; each zone Obeys thee; thou goest forth, dread, fathomless, alone.
Page 89 - Lavoisier from thinking any such opinion warranted, that till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
Page 90 - Watt did ; and the dates here become very material. It appears that he wrote a letter to Dr. Priestley on 26th April, 1783, in which he reasons on the experiment of burning the two gases in a close vessel, and draws the conclusion, " that water is composed of dephlogisticated air and phlogiston, deprived of part of their latent heat."* The letter was received by Dr.
Page 221 - An Act to secure to Proprietors of Designs for articles of Manufacture the Copyright of such Designs for a limited Time.
Page 89 - Mr. Cavendish then burned in the same way dephlogisticated and inflammable airs (oxygen and hydrogen gases) , and the deposit was always more or less acidulous, accordingly as the air burnt with the inflammable air was more or less phlogisticated. The acid was found to be nitrous. Mr. Cavendish states, that " almost the whole of the inflammable and dephlogisticated air is converted into pure water.
Page 31 - The metal is a combination of copper and zinc, the best admixture being found to be 60 per cent, of the former, and 40 per cent, of the latter. The...
Page 55 - I scratched the initials of my name rudely on the plate, taking special care that the cement was quite removed from the scratches, that the copper might be thoroughly exposed. This was put in action in a cylindrical glass vessel, about half filled with a saturated solution of sulphate of copper. I then took a common...
Page 22 - A TREATISE ON A BOX OF INSTRUMENTS, And the Slide Rule ; with the Theory of Trigonometry and Logarithms, including Practical Geometry, Surveying, Measuring of Timber, Cask and Malt Gauging, Heights, and Distances. By THOMAS KENTISH. In one volume. 12mo.
Page 38 - ... along with from one to three per cent, of their weight of carburet of manganese, and exposing the crucible to the proper heat for melting the materials, which are, when fluid, to...