The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Band 12 |
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Seite 11
To the line a b draw the two It is in consequence of this property perpendiculars
c d and ef , and that it is impossible there can be a along the line bf mark off even
perfect vacuum in the receiver of an spaces , as at 1 , 2 , 3 , 4 , & c . , and from air
...
To the line a b draw the two It is in consequence of this property perpendiculars
c d and ef , and that it is impossible there can be a along the line bf mark off even
perfect vacuum in the receiver of an spaces , as at 1 , 2 , 3 , 4 , & c . , and from air
...
Seite 18
A screen or other extremity of the given arc , draw projecting shed E , might be
placed the right line BD perpendicular to the over the opening C , on the side B ,
of chord AB , and meeting , in the point the partition , it would act to prevent D , a ...
A screen or other extremity of the given arc , draw projecting shed E , might be
placed the right line BD perpendicular to the over the opening C , on the side B ,
of chord AB , and meeting , in the point the partition , it would act to prevent D , a ...
Seite 342
draw lines in the same manner as the last , А when it will be seen that the line GF
A DO B B в is shorter than in the last case ; conDOF sequently it will be more
liable to turn over . It may be shown in exactly the same way , why waggons , & c
...
draw lines in the same manner as the last , А when it will be seen that the line GF
A DO B B в is shorter than in the last case ; conDOF sequently it will be more
liable to turn over . It may be shown in exactly the same way , why waggons , & c
...
Seite 349
Should this be the case , the the common cars , as perfected in Eng friction would
, for that gudgeon , be land , the horse could draw up a plane reduced to that of
the simple car . inclined 304 feet per mile , only oneFourth . The friction - wheels ...
Should this be the case , the the common cars , as perfected in Eng friction would
, for that gudgeon , be land , the horse could draw up a plane reduced to that of
the simple car . inclined 304 feet per mile , only oneFourth . The friction - wheels ...
Seite 355
O. B. says , he wishes I would gular face be placed opposite to the furnish a
drawing and description of object to be ... the artist will see that title he may have
examined ; the object he wishes to draw , appabut had be chanced to stumble
upon ...
O. B. says , he wishes I would gular face be placed opposite to the furnish a
drawing and description of object to be ... the artist will see that title he may have
examined ; the object he wishes to draw , appabut had be chanced to stumble
upon ...
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advantage allowed angle answer appears applied better body boiler bridge called carriage cause centre common consequently considerable considered construction continued correspondent course described direction distance draw effect engine equal evident expense experiments fact feet figure fire fixed force four friction give given greater half heat hour improvements inches increase invention iron known least length less London machine Magazine manner matter means Mechanics method miles minutes mode months motion move nature nearly never notice object observed obtained passing patent person pipe plane position practice present principle produced question rail railway readers reason respect result round seen side slide steam sufficient suppose taken thing tion turn weight wheels whole
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Seite 336 - O MORTAL man, who livest here by toil, Do not complain of this thy hard estate ; That like an emmet thou must ever moil, Is a sad sentence of an ancient date ; And, certes, there is for it reason great ; For, though sometimes it makes thee weep and wail, And curse thy star, and early drudge and late, Withouten that would come a heavier bale, Loose life, unruly passions, and diseases pale.
Seite 83 - As any one side, Is to the sine of its opposite angle ; So is any other side, To the sine of its opposite angle.
Seite 227 - The free course of the River being obstructed by the numerous piers of the ancient Bridge, and the passage of boats and vessels through its narrow channels being often attended with danger and loss of life by reason of the force and rapidity of the current, the City of London, desirous of providing a remedy for this evil, and at the same time consulting the convenience of Commerce in this vast emporium of all nations, under the sanction...
Seite 16 - THIS verse be thine, my friend, nor thou refuse This from no venal or ungrateful Muse. Whether thy hand strike out some free design, Where life awakes, and dawns at every line, Or blend in beauteous tints the colour'd mass, And from the canvas call the mimic face...
Seite 136 - The fire in the boiler shall then be lighted, and the quantity of fuel consumed for getting up the steam shall be determined, and the time noted. The tender-carriage, with the fuel and water, shall be considered to be, and taken as part of the load assigned to the engine. Those engines that carry their own fuel and water shall be allowed a proportionate deduction from their load according to the weight of the engine.
Seite 13 - Hipparchus, was an astrolabe for taking the distances in longitude between the sun and moon, or between the moon and a star.
Seite 478 - I should be much obliged to any of your correspondents who would favour me with an explanation of the following singular fact.
Seite 105 - I could distinguish by a telescope every sail, the general rig of the ship, and its particular character; insomuch that I confidently pronounced it to be my father's ship the Fame, which it afterwards proved to be; though, on comparing notes with my father, I found that our relative position at the time gave our distance from one another very nearly thirty miles, being about seventeen miles beyond the horizon, and some leagues beyond the limit of direct vision.
Seite 135 - ... the average rate of travelling shall not be less than ten miles per hour. " As soon as the engine has performed this task, (which will be equal to the travelling from Liverpool to Manchester,) there shall be a fresh supply of fuel and water delivered to her; and as soon as she can be got ready to set out again, she shall go up to the startingpost, and make ten trips more, which will be equal to the journey from Manchester back again to Liverpool.
Seite 391 - ... or it may, perhaps, extend also to a new process, to be carried on by known implements, or elements acting upon known substances, and ultimately producing some other known substance, but producing it in a cheaper or more expeditious manner, or of a better and more useful kind. But no merely philosophical or abstract principle can answer to the word