The Mechanics'Magazine,Museum,Register,Journal and Gazette,April 7th-September 29th,1838.VOL.XXIX

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Contents

Description of Mr Soren Hjorths Rotary Steamengine
338
American Steamboat Races 191 Report of the Inquest on the Explosion of
340
Description of an improved mode of Mine Ventilation By The Black Diamond
370
On Speed on Railways and Tooth and Pinion Gearing By Mr Baddeley
377
A W Johnson Steamboilers June 30 ib M W Johnson Coffins August 15
383
Analysis of Milksupply of pure Milk 218 Hancocks Steam Carriage Experiments
386
On the expansive use of Steam in Marine Engines By Mr W G A Engineer
391
On Rockets as applied to Locomotion By Mr Baddeley 396 Col Maceroni 436
397
Birmingham Railway and Pyramid of Egypt 220 American Act for Regulation of Steam Vessels
398
Experiments with Ericssons Patent Propeller 285 Selections from the Proceedings of the British
404
On the causes of Explosions of Steamboilers and generation of Explosive Gases
418
Description of a Practical mode of Squaring the Circle By Capt Cartlandt Taylor
424
Description of Miners Ascending and Descending Apparatus By Mr W Jones
434
Observations on the Law of Patents the extent of an Inventors Claim of Monopoly
441
J S Enys 298 Symingtons Plans for Preventing Steam
444
On some Mining Explorings near Hay Brecon By Mr Enort Smith
450
Reports of Messrs Brande and Cooper on the Report of the Committee of the Franklin Insti
455
Bells Improvements inheating and Evaporating 317 Table of Railway Gradients
476
J Bennett Wool Carding c July 12 ib August 31
478
Atlantic Steam Navigation 13 120 Halls Condensers not new 77 100
485

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Page 252 - For which of you, intending to build a tower, sitteth not down first, and counteth the cost, whether he have sufficient to finish it ? Lest haply, after he hath laid the foundation, and is not able to finish...
Page 398 - An act to amend an act entitled an act to provide for the better security of the lives of passengers on board of vessels propelled in whole or in part by steam...
Page 353 - Sir, — I am directed by Lord John Russell to acknowledge the receipt of your letter of the...
Page 424 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 399 - That every captain, engineer, pilot, or other person employed on board of any steamboat or vessel propelled in whole or in part by steam, by whose misconduct, negligence, or inattention to his or their respective duties, the life or lives of any person or persons on board said vessel may be destroyed, shall be deemed guilty of manslaughter...
Page 467 - ... act, shall, after a thorough examination of the same, make a certificate, in which he or they shall state his or their opinion whether said boilers are sound and fit for use, together with the age of...
Page 479 - Lancashire ; for improvements in the construction of looms for weaving various sorts of cloths, which looms may be set in motion by any adequate power.
Page 468 - He states that the cases of disease on the dark side of an extensive barrack at St. Petersburg have been uniformly for many years in the proportion of three to one to those on the side exposed to strong light.
Page 31 - Then, the 163d section enacts " that all persons shall have free liberty to pass along and upon, and to use and employ, the said railway, with carriages properly constructed as by this act directed, upon payment only of such rates and tolls as shall be demanded by the said company, not exceeding the respective rates or tolls by this act authorized, and subject to the...
Page 399 - October, one thousand eight hundred and thirty-eight; without having first obtained, from the proper officer, a license under the existing laws, and without having complied with the conditions imposed by this act; and for each and every violation of this section, the owner or owners of said vessel shall forfeit and pay to the United States the sum of...

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