Accident-Notice of the Aberdeen Railway 69 Air Pump-Notice of Laing's Improved 55 Algea, &c., in the Manufacture of Soaps On Employing of 207 Allen, (C. J.) on the Theory of the Gyroscope, 394 Aluminum-History and Properties of 65 -On the Alloys of Iron and 121 Steamships Himalaya and Anti-Friction Bearings-Report on G. T. Parry's Artillery and Projectiles-On Astronomical Expidition to the Southern Hemisphere-Notice of Lieut. Gilles' Observatory on the Mountain Augustus Mullay-On the establish- Atmosphere during the Cholera-On the Condition of the Atmospheric Electricity by the Photo-Barograph and Thermograph-On the Atrato-Comparative results obtained from the Screw and Paddle-wheel in the Aurora Borealis-On the Bakewell, (T. W.)-On the Open Polar Sea, Bells-Experiments on Sound for the Application of Ringing BIBLIOGRAPHICAL NOTICES. L. S. Naval Astronomical Expedition to the Southern Hemisphere. By Lieut. Polar Sea-Solar Heat Theory. By S. Hollingsworth, Treatise on Plane and Spherical Trigonometry. By W. Chauvenet, Binary Star, 70 Ophiuchi-On certain Anomalies presented by the Boiler Explosions-Report on Steam -On the Causes of Steam Bread-On the Composition of 296 122 Castor Oil as a Mechanical Lubricant, Bricks and Coping Stones-Moulding Slag British Association for the Advancement of Science-Objects of the Buoys, Beacons, and other stationary floating bodies-On the Construction of Canadian-Particulars of the Steamer Canal-Steam on the Preston and Kendall -through the Isthmus of Suez, Carvings-Specimens of Amies' Imitation of Wood Castings-New Ornamental Cholera-On the Condition of the Atmosphere during the Coal Mines-On the relation between Revolving Storms and the Explosions in 410 53 79 357 279 159 150, 367 72 278 71 202 207 116 Condensing Steam by the Hot-water System after it has been applied as a Motive 343 Connecting Rods of Steam Engines-On Measuring the length of Corn, Sugar Cane, and Cotton Bushes-Description of Coates's Machine for 401 Cosmorama Stereoscope, 280 Cultivator-Description of Johnson's Rotary Couplings for Cars-On Hopkin's Self-acting and other -Screw-shaft Propellers, Curvatures on Railways-Experiments to Ascertain the effects of Grades and Draining of the Haarlem Lake-On the . East Indian Iron-Manufacture of Edinburgh-Particulars of the Steamer Electricity by the Photo-barograph and Thermometer-On the Detection and Measurement of Atmospheric -On the Manufacture of Steel by Electro-chemical Engraving, Engraving-Process for Heliographic -The Photo-galvanic Process of Ether Engines-De Tremblay's Steam and Etna-Particulars of the Steamer Excavations and Embankments-Method of Calculating Explosions in Coal Mines-On the relation between Revolving Storms and 85 22 140 289 227 132 332 62 248 115 195 412 40 343 1 207 296 54 Fire Alarm Telegraph-Description of the Philadelphia Police and FRANKLIN INSTITUTE. Proceedings of Meetings, 71, 141, 215, 286, 358, 415 Committee on Science and the Arts. Proceedings of Meeting, Report on J. D. Dale's Machine for working Wood Mouldings, -W. Chauvenet's Great Circle Protractor, -H. Whitall's Movable Planisphere, Galvanographic process of Engraving-The Photo- Gas-Description of Dimsdale's patent for the Manufacture of -Engine-Notes on the Ignition 418 281 284 418 420 412 25 388 --Furnaces-C. Schinz's remarks and description of 269, 326 -used in Chemical Laboratories-Description of Markin's Apparatus for regulating the pressure of 392 Glycerine-Process for Obtaining and Purifying Geologists and Miners, called a "Metra "-Description of an Instrument for Glaciers-On the Descent of the . Grades and Curvatures on Railways-Experiments to ascertain the effects of 74 365 211 122 289 Gutta-Percha and India Rubber-On the Hancornia Speciosa, artificial 206 Gyroscope-Explanation of the Theory of the 394 |