Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Том 42Perry Fairfax Nursey Knight and Lacey, 1845 |
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Стр. 20
... SCREW - PROPELLER PATENTS. 20 is deserving of attention . If c be positive , cs is positive , and since , whether a be positive or negative , a2 is always positive , the quantity under the sign of the square root will also be positive ...
... SCREW - PROPELLER PATENTS. 20 is deserving of attention . If c be positive , cs is positive , and since , whether a be positive or negative , a2 is always positive , the quantity under the sign of the square root will also be positive ...
Стр. 21
... SCREW - PROPELLER PATENTS . STEAM - PILE DRIVING. prepared for an electrotype , which saves all preparations for moulds . The gypsographic and glyphographic processes may , on first view , appear to partake of this principle , and in ...
... SCREW - PROPELLER PATENTS . STEAM - PILE DRIVING. prepared for an electrotype , which saves all preparations for moulds . The gypsographic and glyphographic processes may , on first view , appear to partake of this principle , and in ...
Стр. 22
... SCREW - PROPELLER PATENTS . STEAM - PILE DRIVING . DR . CARTWRIGHT'S VELOCIPEDE . 22 talent displayed by many of your corres- pondents and contributors to it , I take the liberty of troubling you in this in- stance , in hopes of drawing ...
... SCREW - PROPELLER PATENTS . STEAM - PILE DRIVING . DR . CARTWRIGHT'S VELOCIPEDE . 22 talent displayed by many of your corres- pondents and contributors to it , I take the liberty of troubling you in this in- stance , in hopes of drawing ...
Стр. 64
... propeller is , I understand , of the same form as that which has been applied to the Phoenix by Mr. Blaxland , with the exception that there are three portions of a screw in the schooner aud only two in the war - ship . Captain Hays ...
... propeller is , I understand , of the same form as that which has been applied to the Phoenix by Mr. Blaxland , with the exception that there are three portions of a screw in the schooner aud only two in the war - ship . Captain Hays ...
Стр. 104
... SCREW EXPERIMENTS . LENGTH 5 F1.6 IN . DIA . 9FT.613 . DIA . 9 FT.GIN . DIA ... propeller , and whichever proved to be the best the Admiralty would adopt ... screw , of good pretensions , be brought under the notice of the Ad- miralty ...
... SCREW EXPERIMENTS . LENGTH 5 F1.6 IN . DIA . 9FT.613 . DIA . 9 FT.GIN . DIA ... propeller , and whichever proved to be the best the Admiralty would adopt ... screw , of good pretensions , be brought under the notice of the Ad- miralty ...
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Часто встречающиеся слова и выражения
acid ammonia angle apparatus applied April April 22 atmosphere ATMOSPHERIC RAILWAY axis Bohemia boiler Braidwood bridge carbon carbonic acid carriages centre of gravity clock colour construction crank cylinder described diameter direction effect electricity employed equal equation experiments feet fire flues Folkstone force friction frustrum fuel furnace Galignani glass Greenwich mean heat hour hyalite hydrogen improvements inches invention iron James January January 11 length lever London machine machinery manganese manufacture March means Mechanics ment Messrs metal miles minute mode motion obtained Ondine opinion passes patent piece pipe piston plane plate present pressure principle produced propeller purpose quantity radius railway Rattler render revolving rollers rotary engine screw screw propeller shaft side six months solidity speed steam steam-engines steamers stroke sufficient surface sway-beam tained temperature tion tons tube valve ventilation vessel weight wheel wood
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Стр. 109 - they were in large flocks containing both species in the proportion of two of the former to one of the latter " (the present)
Стр. 83 - So that, having 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 fountain stream forty feet high.
Стр. 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...
Стр. 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...
Стр. 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...
Стр. 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.
Стр. 58 - ... the use of carburet of manganese in any process whereby iron is converted into steel.
Стр. 126 - As the three angles of a plane triangle are equal to two right angles, that is, to 180° (Euc, 32. 1.) the' sum of any two of them is the supplement of the other.
Стр. 254 - ... to creep out at. I could not find words to satisfy either the Committee or myself. I was subjected to the crossexamination of eight or ten barristers, purposely as far as possible to bewilder me. Some member of the Committee asked if I was a foreigner, and another hinted that I was mad. But I put up with every rebuff, and went on with my plans, determined not to be put down.
Стр. 52 - If two triangles have two sides of the one equal to two sides of the...