The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volume 31Robertson, 1839 |
From inside the book
Results 1-5 of 83
Page xii
... amount of mercantile steam - marine , 264 measures of security proposed , 265 Williams's plan of ship - building , 265 specifications of vessels , 266 periodical surveys of steamers , 266 desiderata of steam - vessels , 268 summary of ...
... amount of mercantile steam - marine , 264 measures of security proposed , 265 Williams's plan of ship - building , 265 specifications of vessels , 266 periodical surveys of steamers , 266 desiderata of steam - vessels , 268 summary of ...
Page 6
... amount of enjoyment from the purchase of superior and cheap commo- dities as they do at present ; neither would capitalists obtain a fair return for the vast sums of money annually em- barked in the production of marketable articles ...
... amount of enjoyment from the purchase of superior and cheap commo- dities as they do at present ; neither would capitalists obtain a fair return for the vast sums of money annually em- barked in the production of marketable articles ...
Page 7
... amount of at least 87. per week is in- curred . But these are not the only evil effects that result from using weighty reser- voirs ; for the products extracted from the coal being confined for too long a period in the generating ...
... amount of at least 87. per week is in- curred . But these are not the only evil effects that result from using weighty reser- voirs ; for the products extracted from the coal being confined for too long a period in the generating ...
Page 8
... amount of benefit may be derived by gas companies from the introduction of this simple ( and certainly not expen- sive ) apparatus . I am , Sir , Yours , most respectfully , DAVID MACRAE , Engineer . Vauxhall , March 26 , 1839 ...
... amount of benefit may be derived by gas companies from the introduction of this simple ( and certainly not expen- sive ) apparatus . I am , Sir , Yours , most respectfully , DAVID MACRAE , Engineer . Vauxhall , March 26 , 1839 ...
Page 11
... amount of constriction in strips cut across the direction of rolling is , on an average , about 6 per cent . less than in those cut longitudinally . A careful comparison of the breadths and thicknesses before and after fracture would ...
... amount of constriction in strips cut across the direction of rolling is , on an average , about 6 per cent . less than in those cut longitudinally . A careful comparison of the breadths and thicknesses before and after fracture would ...
Other editions - View all
Common terms and phrases
acid angle apparatus appears applied April Aquarius Baddeley balloon bars Blast boiler British Queen Bude light carbonic carbonic acid carriage coal cock coke colour common construction copper crank cylinder diameter effect employed engine experiments explosion feet fire fluid force Franklin Institute friction furnace Galignani gallons glass heat Hot Blast improvements inches inches of mercury invention iron length letter lever litharge Liverpool locomotive London LONDON FIRE BRIGADE machine machinery Magazine manufacture means Mechanics ment mercury Messrs metal method mode motion nearly NOTES AND NOTICES observed obtained paper passed patent pipe piston placed plate present pressure produced propelling Prussian blue pump purpose quantity railway render screw side six months specific gravity steam steam-engine steam-vessels steamers surface tained temperature tion tons tube turpentine valve varnish vessel vitrification W. A. Robertson weight wheel whole wire zinc
Popular passages
Page 421 - As for the likeness of the living creatures, their appearance was like burning coals of fire, and like the appearance of lamps; it went up and down among the living creatures; and the fire was bright, and out of the fire went forth lightning. And the living creatures ran and returned as the appearance of a flash of lightning.
Page 441 - It can engrave a seal, and crush masses of obdurate metal before it — draw out, without breaking, a thread as fine as gossamer, and lift a ship of war like a bauble in. the air. It can embroider muslin and forge anchors — cut steel into ribands, and impel loaded vessels against the fury of the winds and waves.
Page 380 - Majesty is hereby authorised and empowered, if he shall think fit, to grant new letters patent for the said invention for a term not exceeding seven years after the expiration of the first term , any law , custom , or usage to the contrary...
Page 381 - Majesty is hereby authorized and empowered, if He shall think fit, to grant new Letters Patent for the said Invention for a Term not exceeding Seven Years after the Expiration of the first Term...
Page 432 - Smith, with reference to the selection of stone for building the new Houses of Parliament...
Page 445 - The velocity of this wave in channels of uniform depth is independent of the breadth of the fluid, and equal to the velocity acquired by a heavy body falling freely by gravity through a height equal to half the depth of the fluid, reckoned from the top of the wave to the bottom of the channel.
Page 146 - Blackfriars, for improvements in railroad and other carriages, in wheels for such carriages, and in roads and ways on which they are to travel.
Page 255 - With reference to the second branch, viz. the secular and periodical variations, it is observed that — "The progressive and periodical being mixed up with the transitory changes, it is impossible to separate them so as to obtain a correct knowledge and analysis of the former, without taking express account of and eliminating the latter...
Page 8 - ... between the elevations of temperature, and the diminutions of tenacity, constantly increase until we reach 932°, at which it is 2.97, and that from this point the ratio of diminution decreases to the limits of our range of trials, 1317°, where it is 2,14.
Page 164 - It appears, therefore, that this discovery may be turned to some practical account. It may be taken advantage of in procuring casts from various metals, as above alluded to ; for instance, a copper die may be formed from a cast of a coin or medal, in silver, type metal, or lead, &c., which may be employed in striking impressions in soft metals.