Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volume 33Perry Fairfax Nursey Knight and Lacey, 1840 |
Contents
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Common terms and phrases
acid angle apparatus appears applied Archimedes atoms boat boiler carbonic acid carriage cast iron cause colour common connecting rod consequently construction copper copy crank cylinder designs diameter effect employed engraving equal experiments feet fire fluid friction Galignani gamboge glass greater Hall's improvements inches invention iron J. C. Robertson lamp latent heat length less lever Liverpool London machine machinery Magazine manufacture matter means Mechanics ment mercury Messrs metal miles mode motion obedient servant object observations obtained Oldham paddle paddle-wheel paper passing patent patterns pipes piston placed plate present pressure principle printing produced propelling Published by J. C. purpose quantity railway render Scalpel screw SCREW PROPELLER shaft side six months specific gravity speed steam engine steamers stroke stroke engine substances sulphuric acid surface surface condensation tain temperature tion tube vacuum valve velocity vessel weight wheel
Popular passages
Page 223 - Europe, with regard to trade, before the passage to the East Indies by the Cape of Good Hope and America was discovered.
Page 202 - Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacuum at the Level of the Sea...
Page 4 - ... density that causes sound to pass rapidly through them. "Other things remaining the same, an augmentation of density always produces a diminution of velocity.
Page 202 - May one thousand eight hundred and twenty-five, the Straight Line or Distance between the Centres of the Two Points in the Gold Studs in the Straight Brass Rod, now in the Custody of the Clerk of the House of Commons, whereon the Words and Figures
Page 450 - When STEAM VESSELS on different courses must unavoidably or necessarily cross so near that by continuing their respective courses, there would be a risk of coming in Collision, each Vessel shall put her HELM TO PORT, so as always to pass on the LARBOARD side of each other.
Page 400 - Caesar was the first who obtained the express permission of the senate to place his portrait on the coins, and the example was soon followed. In the earlier and more simple days of Rome...
Page 463 - What we claim as our invention, and desire to secure...
Page 523 - It is a most important part of the character of the current, and essentially connected with its very nature, that it is always the same. The two forces are everywhere in it. There is never one current of force or one fluid only. Any one part of the current may, as respects the presence of the two forces there, be considered as precisely the same with any other part ; and the numerous experiments which imply their possible separation, as well as the theoretical expressions which, being used daily,...
Page 12 - ... of which it is composed, so as to allow a round-pointed knife to be introduced between them in order to effect a complete separation. The plates thus obtained are laid one by one on a board covered with...
Page 277 - In trigonometry, the number which expresses the proportion of AC to AB is called the sine of the angle at B ; and thus the resistance to a surface moving in a liquid is said to increase or decrease in proportion to the square of the sine of the angle which the direction of the surface makes with the direction in • which it is moved.