The Mechanic's Magazine, Museum, Register, Journal and Gazette, Հատոր 43Robertson, 1845 |
From inside the book
Արդյունքներ 73–ի 1-ից 5-ը:
Էջ 29
... velocity of the machinery is increased , the present patentee employs a vertical shaft with spiral wings , ( made in the manner of the screw propeller , ) and so placed in a vessel filled with water , or other fluid , that the ...
... velocity of the machinery is increased , the present patentee employs a vertical shaft with spiral wings , ( made in the manner of the screw propeller , ) and so placed in a vessel filled with water , or other fluid , that the ...
Էջ 31
... velocity at which her machinery works , cannot fail to impress every one with the degree of accu- racy in its arrangement . The propeller , which on the average makes 13,200 revolu- tions per hour , cannot have made less than 237,600 ...
... velocity at which her machinery works , cannot fail to impress every one with the degree of accu- racy in its arrangement . The propeller , which on the average makes 13,200 revolu- tions per hour , cannot have made less than 237,600 ...
Էջ 63
... velocity about the river . Mr. Peter Cato , and Messrs . James Hodgson and Co. have contracted for the vessels , some of which are in frame ; and Messrs . Fawcett , Preston and Co. and Messrs . Bury , Curtis and Kennedy , have ...
... velocity about the river . Mr. Peter Cato , and Messrs . James Hodgson and Co. have contracted for the vessels , some of which are in frame ; and Messrs . Fawcett , Preston and Co. and Messrs . Bury , Curtis and Kennedy , have ...
Էջ 73
... velocity equal to what it may be compressed . There may be a vessel partly full of water , the top of which is made to communicate with the cylinder . At the upper side of the piston , there should be valves or cocks , or some other ...
... velocity equal to what it may be compressed . There may be a vessel partly full of water , the top of which is made to communicate with the cylinder . At the upper side of the piston , there should be valves or cocks , or some other ...
Էջ 75
... velocity over the same momentum , as got , on the old principle , by a light weight moving with great velocity , than the state of the heads of the piles as driven by each process . Dr. Greene drew attention to a sketch of two heads of ...
... velocity over the same momentum , as got , on the old principle , by a light weight moving with great velocity , than the state of the heads of the piles as driven by each process . Dr. Greene drew attention to a sketch of two heads of ...
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acid angle apparatus application atmospheric railways boilers bottom Braidwood Captain carriage centre civil engineer claim Claviole coal condenser construction copper cubic cylinder diameter distance drain drainage effect employed engine equal expense experiments feet fire frustrum fuel furnace Galignani given glass half heat hour improvements inches invention iron July knots length less light Liverpool locomotive London machine machinery Magazine manufacture manure means mechanical ment Messrs metal meter miles miles per hour minute mode motion obtained October October 9 organzine paddles pass patent pipe piston plates potash present pressure principle produced propeller pump purpose quantity rail render sails Samuel Bentham screw screw propeller September 24 shaft ship side six months solution speed square steam steamers stroke surface tion Tofield tons Trinity House tube tunnel vacuum vessels valve velocity wheel
Սիրված հատվածներ
Էջ 303 - The Baconian constructs a diving-bell, goes down in it, and returns with the most precious effects from the wreck. It would be easy to multiply illustrations of the difference between the philosophy of thorns and the philosophy of fruit, the philosophy of words and the philosophy of works.
Էջ 344 - And, as occasion served, would quote, No matter whether right or wrong; They might be either said or sung. His notions fitted things so well, That which was which he could not tell, But oftentimes mistook the one For th" other, as great clerks have done.
Էջ 303 - ... to his whole system, and that he used means different from those used by other philosophers, because he wished to arrive at an end altogether different from theirs. What then was the end which Bacon proposed to himself? It was, to use his own emphatic expression,
Էջ 300 - We have three others that do execute the experiments so directed, and report them. These we call inoculators. Lastly, we have three that raise the former discoveries by experiments into greater observations, axioms, and aphorisms. These we call interpreters of nature.
Էջ 300 - We have also engine-houses, where are prepared engines and instruments for all sorts of motions. There we imitate and practise to make swifter motions than any you have, either out of your muskets or any engine that you have...
Էջ 317 - ... whole being constructed, arranged, and combined, in the manner and for the purpose herein set forth.
Էջ 300 - We have three that try new experiments. Such as themselves think good. These we call pioneers or miners. We have three that draw the experiments of the former four into titles and tables, to give the better light for the drawing of observations and axioms out of them. These we call compilers.
Էջ 301 - And this we do also: we have consultations, which of the inventions and experiences which we have discovered shall be published, and which not: and take all an oath of secrecy for the concealing of those which we think fit to keep secret: though some of those we do reveal sometimes to the State, and some not.
Էջ 64 - After these remarks you will perceive that it is no exaggeration to say, we may fairly judge of the commercial prosperity of a country from the amount of sulphuric acid it consumes.
Էջ 122 - The surface of a sphere is equal to the convex surface of the circumscribing cylinder ; and the solidity of the sphere is two thirds the solidity of the circumscribing cylinder.