Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Band 42Perry Fairfax Nursey Knight and Lacey, 1845 |
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Seite 6
... principle . The great weight of the lighthouse at Sunderland , however , con- centrated into an area of 162 square feet , caused a contrary decision . If reliance had been placed solely on the sliding balks , it is very probable the ...
... principle . The great weight of the lighthouse at Sunderland , however , con- centrated into an area of 162 square feet , caused a contrary decision . If reliance had been placed solely on the sliding balks , it is very probable the ...
Seite 21
... principle , and in part they do , as I have lost my claim to the cut- ting down through a soft to a hard sub- stance , by not earlier publishing my process . But in reference to the most important part of my plan , that of em- ploying a ...
... principle , and in part they do , as I have lost my claim to the cut- ting down through a soft to a hard sub- stance , by not earlier publishing my process . But in reference to the most important part of my plan , that of em- ploying a ...
Seite 25
... principle of Dr. Cartwright's velocipedes , and similar in construction to those which are to be seen in such numbers at Dover , near to which town Dr. Cartwright resided . Hoping that you will second me in my endeavour to attribute the ...
... principle of Dr. Cartwright's velocipedes , and similar in construction to those which are to be seen in such numbers at Dover , near to which town Dr. Cartwright resided . Hoping that you will second me in my endeavour to attribute the ...
Seite 27
... principle emi- nently deficient in those grand points of simplicity and economy , which must con- 27 stitute the main features of such an important undertaking . Let us , therefore , inquire what amount of natural resource the wand of ...
... principle emi- nently deficient in those grand points of simplicity and economy , which must con- 27 stitute the main features of such an important undertaking . Let us , therefore , inquire what amount of natural resource the wand of ...
Seite 34
... principles of Me- nsuration , not one of them has viewed it in connection with the properties of the centre of gravity ... principle in a corollary to the 55th proposition of his Mechanics ; he , however , leaves the de- velopment and ...
... principles of Me- nsuration , not one of them has viewed it in connection with the properties of the centre of gravity ... principle in a corollary to the 55th proposition of his Mechanics ; he , however , leaves the de- velopment and ...
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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
Beliebte Passagen
Seite 109 - they were in large flocks containing both species in the proportion of two of the former to one of the latter " (the present)
Seite 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.
Seite 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...
Seite 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...
Seite 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...
Seite 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.
Seite 58 - ... the use of carburet of manganese in any process whereby iron is converted into steel.
Seite 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.
Seite 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.
Seite 52 - If two triangles have two sides of the one equal to two sides of the...