...O T JONES © Thomas Telford and ICE 1935 GEOPHYSICS EARTH MOTION JAMES FORREST LECTURE CONSTITUTION DEFORMATION DRIFT VIBRATIONS ELECTRIC MAGNETIC FIELD COSMIC ATMOSPHERE APPLIED SEISMIC DENSITY GRAVITY CALCULATIONS EARTHQUAKES STUDIES AGE HISTORY MINERALS GEOPHYSICAL...

... VENTILATION TESTS ATMOSPHERE EXPLOSIONS VAPOUR PRESSURE DETECTION BULK PETROL FUEL TANKERS DEATHS CARGOES HAZARDOUS RISKS HAZARDS FIRES SAFETY FLAMES HYDROGEN EVAPORATION LIQUIDS 230 DISCUSSION ON TRANSPORT OF PETROLEUM. [Minutes of Discussion. M r . Giles Mr. ALFREPGILES,President...

... explosive mixture. A month previously an explosion was caused by a railway-servantincautiouslytaking a light into a naphthastore on the Metropolitan Railway,theresulting fire seriously injuring one of the large mains of the Gas-Light and Coke Company. The property of forming an explosive atmosphere...

... to recognisechemical principles,or to estimate the number of men employed,-the size of the areas,-and the length of the galleries,-or any of them, must be erroneous. Pursuing this mode of investigation, it will be necessary, in the first place,. to inquire intothe chemical constitution and properties of atmospheric...

... ATMOSPHERE ATMOSPHERIC WEATHER STORMS CURRENTS ACCIDENTS APPLICATIONS ELECTROMAGNETISM ELECTROMAGNETS PATENTS CIRCUITS COILS GALVANOMETERS RESISTANCE INSTRUMENTS BELLS SCREWPILES THERMOELECTRIC CALORIC LAWS ACTION EARTH TliE ELECTRIC TELEGKAPII. 299 March 2, 1852. J A M E S M E A D O...

... of the pressure of the Atmosphere. By James Nasmyth. T h e difficulty of obtaining large specula for telescopes, together Pneumatic withthe didadvantages attendingtheweight,the brittleness, and Mirror* n2 32 liability to oxidation, of thespeculummetalgenerally used, in- duced Mr...

... of light is reflected from it than from any metallic surface. Togive a concave or convex formto a disc of plate glass, a certain pressure must be made to act equally over the surface. This equalpressure is obtainedonMr.Nasmyth splan, by taking ad- vantage of the weight of the atmosphere. A disc of silvered...

...; and Thomas Penson and Robert Aytoun, as Associates. "OnWarming a d VentilatingPublicBuildingsandApartments, with an account of the methods which have been most successfully employed for ensuring a healthy state of the Atmosphere." By Charles Hood, F. R. A. S. Warming The author first treats...

... an instance Corrosion of iron inclosed in lead for 90 years, being taken out with the fin stanreP 34 and bloonl unimpaired.Dr.Faradayinquiredwhetherthis was in London, as the quantity of sulphurous acid in our atmosphere from the coal we burn occasioned corrosions which do not occur in other countries...