MECHANICS' MAGAZINE, MUSEUM, Kegister, Journal, AND GAZETTE, APRIL 7th-SEPTEMBER 29th, 1838. VOL. XXIX. "Here is employment enough for the vastest parts, the most indefatigable industries, the LONDON: PUBLISHED FOR THE PROPRIETOR, BY W. A. ROBERTSON, 1838. ORIGINAL ARTICLES. Description of Messrs. Barnard and Joy's patent self-rolling Mangle.. On the proverbial inefficiency of Parish Fire-engines, and Proposal for a Fire Police in ...... Description of Blurton's Patent Apparatus for Milking Cows. By Lactarius.... Description of a simple Letter-copying Machine. By the Rev. N. S. Heineken, of Description of improved Slide Vales, and Claim to the invention of the Valves pa- Description of Messrs. Herapath and Cox's new Process of Tanning. On Messrs. Herepath and Cox's Process of Tanning, in reply to Mr. Chaplin. By William Herapath, Esq. of Bristol ...... Controversy on an Astronomical Question. Letters by Iver Mac Iver, 20; Nautilus 68 Description of Hawkins's Patent Warming-pan. By Pan... On Maceroni's Water-proof Composition, Mill Belts, Leather Hose, &c. By Mr. On the invention of the Camera Obscura. By J. C. W. Explanation of Railway Mileage. By Mr. Christopher Davy, Architect.. Description of Harper and Joyce's Patent Stove and Fuel. On Signor Pistrucci's new method of Medal-striking. By Mr. W. Baddeley Suggestions on the Prevention of Fire on board Ships. By Mr. H. Walker, 39; Nau- 5, 39, 69 Description of Riddle's Universal Pen-holder.. Description of a method of drawing the Parabolic Curve, by the application of the 44, 58, 107 Description of Taylor and Davies's Patent Rotary Engine. By Mr. Christopher Davy. Analysis of Harper and Joyce's Patent Fuel. By C. Q., 53; by J. S. 105 On Compositions for preventing and extinguishing Fire. By Mr. William Baddeley.. 55 Tables of Work performed by Cornish Steam-engines On Utting's Astronomical Tables. By John Utting, C. E., 58; by a Scotch Dominie. 140 On the sale of Poisons in Chemists' Shops. By Mr. Henry Good, 59; by a Druggist 82 Description of a Plan for keeping Steam-boilers always filled with Water, up to the 66, 133 On the Loss of Power by the Cranks in Steam engines, and on Davenport's Electro- magnetic Engine. By Mr. Thomas Oxley, 83; by W. H. T., 109; by F., 115, .... Description of Chanter and Co.'s Smoke-consuming Furnace On Steam Navigation to India. By G Bayley, Esq., 98, 150, 168, 262; by H. 35, 120, 293 Description of improved Beating Springs for Fire-engines. By Mr. W. Baddeley.... 119 Account of the Blowing-up of the Wreck of the brig "William, and of the Apparatus 302191 |