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Pagina xxxix - SIR, — I am directed by the Lords of the Committee of Privy Council for Trade to acknowledge the receipt of your letter of the Slst ultimo, enclosing a copy of a letter from Mr.
Pagina xv - Its objects are— to give a stronger impulse, and a more systematic direction to scientific enquiry— to promote the intercourse of those who cultivate Science in different parts of the British Empire with one another, and with Foreign Philosophers — to obtain a more general attention to the objects of Science, and a removal of any disadvantages of a public kind which impede its progress.
Pagina xv - To give a stronger impulse and a more systematic direction to scientific inquiry, — to promote the intercourse of those who cultivate Science in different parts of the British Empire, with one another, and with foreign philosophers, — to obtain a more general attention to the objects of Science, and a removal of any disadvantages of a public kind, which impede its progress.
Pagina 59 - Any piece of matter, or any group of bodies, however connected, which either is in motion, or can get into motion without external assistance, has what is called mechanical energy. The energy of motion may be called either " dynamical energy " or
Pagina 418 - It consists of a large cast-iron cylinder, fitted with a plunger, from which a loaded weight case is suspended, to give pressure to the water injected by the engine. The load upon the plunger is usually such as to produce a pressure in the cylinder equal to a column of 1500 feet...
Pagina 59 - To show the use of these terms, and explain the ideas of a store of energy, and of conversions and transformations of energy, various illustrations were adduced. A stone at a height, or an elevated reservoir of water, has potential energy. If the stone be let fall, its potential energy is converted into actual energy during its descent, exists entirely as the actual energy of its own motion at the instant before it strikes, and is transformed into heat at the moment of coming to rest on the ground....
Pagina xv - Literary and Philosophical Societies publishing Transactions, in the British Empire, shall be entitled, in like manner, to become Members of the Association. The Officers and Members of the Councils, or Managing Committees, of Philosophical Institutions shall be entitled, in like manner, to become Members of the Association. All Members of a Philosophical Institution recommended by its Council or Managing Committee shall be entitled, in like manner, to become Members of the Association. Persons not...
Pagina 56 - ... and balanced ; in other words, the axis caused to pass accurately through the centre of gravity, and to stand truly perpendicular to the plane of rotation of the entire mass. On this axis was a small but stout pinion, which served when the instrument was placed firmly on a small frame, containing a train of stout clockwork, turned by a handle like a jack, to give it an exceedingly rapid rotatory motion on its axis. But to this clock-work frame it could be attached or detached from it instantly....