The Polytechnic Review and Magazine of Science, Literature and the Fine Arts, Volume 2John Mortimer, 1845 |
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Page 3
... motion give the electricity of Professor Wheatstone , and electricity and magnetism give motion to his index . Electricity and mo- tion produce magnetism , and give rise to another system of telegraphs , which in another number we ...
... motion give the electricity of Professor Wheatstone , and electricity and magnetism give motion to his index . Electricity and mo- tion produce magnetism , and give rise to another system of telegraphs , which in another number we ...
Page 6
... motion of a stick in a block of wood ; and it will be invariably found that without the presence of pyrogen combustion does not take place . The light of a lamp or candle arises from a certain quantity of it being rendered visible on ...
... motion of a stick in a block of wood ; and it will be invariably found that without the presence of pyrogen combustion does not take place . The light of a lamp or candle arises from a certain quantity of it being rendered visible on ...
Page 32
... motion . Suppose a railway carriage on the line , ready to move on the application of proper force , a sixty pound cannon ball is fired at it directly aft , as the sailors would say , therefore the carriage has a tendency to move ...
... motion . Suppose a railway carriage on the line , ready to move on the application of proper force , a sixty pound cannon ball is fired at it directly aft , as the sailors would say , therefore the carriage has a tendency to move ...
Page 33
... motion which the ball acquires on leaving the gun , and which causes the ball to present its surface to the air in a ... motions of a 24 lb. shot projected at 45 ° of elevation . Velocity per second . Range in vacuo . Range in Air ...
... motion which the ball acquires on leaving the gun , and which causes the ball to present its surface to the air in a ... motions of a 24 lb. shot projected at 45 ° of elevation . Velocity per second . Range in vacuo . Range in Air ...
Page 34
... motion of projectiles in air and in vacuo , especially at large velocities . It is seen that the ranges instead of increasing in a duplicate ratio of the initial velocities , as in vacuo , really increase much slower ; in all cases of ...
... motion of projectiles in air and in vacuo , especially at large velocities . It is seen that the ranges instead of increasing in a duplicate ratio of the initial velocities , as in vacuo , really increase much slower ; in all cases of ...
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Common terms and phrases
acid advantage afforded Aldersgate College Alpaca ammonia amongst ancient animal animal magnetism appear applied artists atmosphere atmospheric railways ball beautiful British called cannon carbonic carbonic acid cause character chemists circumstances coal collieries colour Committee Congreve rocket consequence considerable considered difficulty distance earth effect electric employed engines equal exhibition existence expense experiments explosion fact feet fire damp former give glass goaf goaves guano gunpowder Haswell heat Holyhead improvement inches interest invention iron John Rennie labour light manure matter means ment Messrs miles mines motion nature object observed obtained opinion oxygen painting perfect poetry portion possess practice present principle produced projectile proved pyrogen quantity railway remarkable render result rocket Royal safety lamp shaft shells ship Society sufficient surface Thebes tion tube tufa various velocity ventilation vessels vitreous humour weight whilst wire
Popular passages
Page 122 - You must have no dependence on your own genius. If you have great talents, industry will improve them ; if you have but moderate abilities, industry will supply their deficiency. Nothing is denied to well-directed labour: nothing is to be obtained without it...
Page 329 - And God said, Let there be lights in the firmament of the heaven to divide the day from the night ; and let them be for signs and for seasons, and for days,
Page 447 - The whole train of animated beings, from the simplest and oldest up to the highest and most recent, are, then, to be regarded as a series of advances of the principle of development, which have depended upon external physical circumstances, to which the resulting animals are appropriate.
Page 238 - Here Britain's statesmen oft the fall foredoom Of foreign tyrants, and of nymphs at home; Here thou, great ANNA ! whom three realms obey, Dost sometimes counsel take — and sometimes tea.
Page 239 - By the wolf-scaring faggot that guarded the slain, At the dead of the night a sweet vision I saw; And thrice ere the morning I dreamt it again.
Page 126 - This idea of the perfect state of nature, which the Artist calls ' the Ideal Beauty, is the great leading principle by which works of genius are conducted.
Page 142 - They that go down to the sea in ships : and occupy their business in great waters ; These men see the works of the LORD : and His wonders in the deep.
Page 126 - All the objects which are exhibited to our view by Nature, upon close examination will be found to have their blemishes and defects.
Page 118 - Immediately notified the arrival to the King and Prince of Wales ; the last came immediately. I, according to the established etiquette, introduced (no one else being in the room) the Princess Caroline to him. She very properly, in consequence of my saying to her that it was the right mode of proceeding, attempted to kneel to him.
Page 126 - ... forms ; and which by a long habit of observing what any set of objects of the same kind have in common, has acquired the power of discerning what each wants in particular.