The Mechanic's Magazine, Museum, Register, Journal and Gazette, Том 43Robertson, 1845 |
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Сторінка 4
... present pro- blem . Since the latitudes and longitudes of the two places are given , the compli- ments of the latitudes and the sum or dif- ference of the longitudes , according as the one is east and the other west , or both east , or ...
... present pro- blem . Since the latitudes and longitudes of the two places are given , the compli- ments of the latitudes and the sum or dif- ference of the longitudes , according as the one is east and the other west , or both east , or ...
Сторінка 5
... present instance , and for this purpose , let the straight line CA be drawn in any direction and to any dist- ance at pleasure ; and in it assume the point C as the centre of the sphere or vertex of the triangular pyramid ; then sec a ...
... present instance , and for this purpose , let the straight line CA be drawn in any direction and to any dist- ance at pleasure ; and in it assume the point C as the centre of the sphere or vertex of the triangular pyramid ; then sec a ...
Сторінка 6
... present object , however , is only to determine the distance between places on the earth , and for this purpose , we must consider the problem under the various cases into which it naturally di- vides itself , and these are , 1. When ...
... present object , however , is only to determine the distance between places on the earth , and for this purpose , we must consider the problem under the various cases into which it naturally di- vides itself , and these are , 1. When ...
Сторінка 8
... present ventilator we have all the advantages of the glass louvres , free from any of these objections . It consists , firstly , of a series of louvres , which are permanently fixed at a certain inclination , so that the currents of air ...
... present ventilator we have all the advantages of the glass louvres , free from any of these objections . It consists , firstly , of a series of louvres , which are permanently fixed at a certain inclination , so that the currents of air ...
Сторінка 12
... present itself , and that we may be enabled to throw down gold and silver according to standard . Experiments on the Spheroidal State of Bodies , and its Application to Steam - boilers , and on the Freezing of Water in red - hot Vessels ...
... present itself , and that we may be enabled to throw down gold and silver according to standard . Experiments on the Spheroidal State of Bodies , and its Application to Steam - boilers , and on the Freezing of Water in red - hot Vessels ...
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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
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Сторінка 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.
Сторінка 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.
Сторінка 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,
Сторінка 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.
Сторінка 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...
Сторінка 317 - ... whole being constructed, arranged, and combined, in the manner and for the purpose herein set forth.
Сторінка 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.
Сторінка 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.
Сторінка 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.
Сторінка 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.