Page 16 Description of Brooman's Patent Dry Gas Meter-(with engravings) 4. Bidder's Excavation Tables. By C. Creedy--(Review) 7 Advice to Mechanics on the Study of Arithmetic. By the Editor. 10 Messrs. Elsner and Philips' Process of Coating Iron and Zink with Copper, without Cyanuret of Potassium 11 Rhynd's Extemporaneous Safety Rafts 11 Description of Stace and Vallance's Horizontal Windmill-(with engravings) 12 Proofs that Heat is Ponderable. By Mr. G. Lloyd. 14 De Laguy's Approximation. Note by the Editor 14 The Electric Telegraph in America 15 American Opinions on Marine Steam Engines :Professor Renwiok's. 16 Mr. Kemble's Recent American Patents :Grimes' Spark Arrester 19 Day, Tyler, and Helm's Machine for Cutting India Rubber into Threads, or Strips 19 Timby's Re-action Water-Wheel 19 Wright's Machine for Boring the Cylinders of Rotary Steam Engines. 19 Babcock's Stove for Heating Apartments 19 Draper's Improvements in the Piano-forte 19 Burt's Improvements in the Power-Loom 20 Wendt's Improvements in Tailors' Shears 20 Brown's Improvements in Buttons on the Heads or Handles of Whips...... 20 Railway Progress.-Proofs that the Moon is not Inhabited.-A Narrow Gauge Monster. New Planet Ex, ected 21 Description of Taylor and Conder's Patent Electro-Magnetic Railway-(with engrasinjs) 26 The Screw and the Paddle. By Captain E. P. Halsted, R.N. Description of Mather's Patent Improved Metallic Piston-(with engravings) On the Supply of London with Water by Artesian Wells Is Heat Ponderable ?-Turkish Cement. By Dr. Prater. Examination of the " Proofs that Heat is Ponderable 35 Equations - Additional Remarks on the Subject of a late Communication of the Author. By J. Cockle, Esq., M.A. 36 Description of a Mode of Railway Propulsion up Inclined Planes. By Mr. W. Riddle -(with engravings). 37 On the Transformation of Co-ordinate Planes. By Hugh Godfray, Esq.-(Continued) 38 American Opinions on Marine Steam Engines : Mr. Kemble's 42 Purposes 51 60 Experiments on Shot. By Sir George Cayley, Bart.-(with engravings)... Insolubility of Carbonate of Nickel in strong Acid. By Mr. W. Hart.. Professor Young's Three Lectures on the Advantages of Mathematical Study-(Review) The New Theory of the Prismatic Colours Miniature Statunry-American Patents-- The Electric Telegraph in America Dr. Payerne's Bell Ship-Dr. Polt's Atmospheric System of Pile-driving - The New castle Agricultural Meeting-Steamboat Luxury--The Atlantic and Pacific Canal -Bain's Electric Clock - Immense Fiery Meteor-Iron Furnaces. Description of Boyardas's Universal Eccentric Mu for Holling, Cutting, and Grinding -(with engravings [For continuation as third page of Wrapper, Description of Wennington's Patent Plate and Sheet Iron Cutting Machine-(with 97 Miscellanea Mathematica-Application of Algebra to Geometry 99 The Paddle and Screw. By Captain E. P. Halsted, R. N. Explanation of the Floating of Cold Iron in Melted Iron On Catalytic Force. By H. Prater, M.D... The Magnetic Telegraph in America Mr. Gachet's Screw Experiments.... Description of Clark and Varley's Resilient Atmospheric Railway-(with engravings) 108 Improvement in the Composition of Printers' Rollers. By Mr. Cresswell.. American Opinions on Marine Steam Eogines---Mr. Charles Copeland Approximate Rectification of the Circle. By James Cockle, Esq., M.A. Native Copper-Carrier Pigeons-Carrier Dogs- The Euphonia--Beer by Post 117 Total Eclipse-Safety Letter Box-The "Great Britain'-The “Water Lily'—The Description of Church's Patent Method of Manufacturing Cokem(with engravings).. 121 The Tithe Commutation Surveys . Problems on Railway Cuttings. By T. S. Davies, Esq., F.R.S. On certain Formulæ relating to the Circle. By James Cockle, Esq., M.A.. Description of Wheeler's Patent Trilateral Rail - (roith engravings).. Suggestions for Promoting Greater Security of Railroads. By Geo. Cumberland, Esq. 135 Isaacs and Raisbeck's Improvements in Anchors Goodyear's Waterproof Manufacture Dr. Hare's Hydro-Oxygen Blowpipe Bullock's Improvements in the Platen of the Toggle Joint of Lever Presses 137 The Gutta Percha Patents, No. VI. Charles Hancock's Improvements in the Manufacture of Gutta Percha 138 Perpetual Motion-Vegetable Papers-Worthington's Tidal Power Description of Milligan's Patent Improvements in the Power Loom-(with engravings) 145 Bidder's Tables---Additional Formulee.. The Screw and Paddle. By Captain Halsted, R. N. Description of a Hydraulic Intervener. By Mr. Gregory. On the Application of Compressed Air as Motive Power. By Geo. Cumberland, Esq. 156 The Late Storms-Atmospheric Electricity.. On the Derivation of the Word Theodolite. By James Cockle, Esq., M.A... 159 Description of Greener and Staite's Electric Lamp.. Problems on Railway Cuttings. By T. S. Davies, Esq., F.R.S. London and Edin- Note on an Expression in Analytical Geometry, with Note by the Editor.. The Greatest Iron Gun ever Cast Yet - Manufacture of Locomotive Engines in Wales -Submarine Flax-The Electric Telegraph-Cheap Travelling in America-West- minster Bridge–The Smoke Prohibition Bill— The Wood Pavement Patents—The Description of Pilbrow's Atmospheric Railway--Farther Improvements-(with engrad. Simple Mode of Making Oxygen Gas. By Mr. Alfred.. On Mensuration of Excavations or Earthworks, and Huntington's Tables. By J. W. Canal across the Isthmus of Panama.. On the Law of Patents. By W. E. Staite, Esq. Problems on Railway Cuttings. By T. S. Davies, F.R.S. London and Edinburgh, Description of White's Railway Link-(with engravinge) Caual and River Navigation.-Captain Beadon's Warping System engravings).. |