...R POOLE © Thomas Telford and ICE 1935 METROPOLITAN VICKERS ELECTRICAL THEORY DESIGN AIRSCREWS ROTATION INTERFERENCE VELOCITY DRAG EFFICIENCY BLADES WIDTH CURVES AXIAL AIR FANS SCREWS TIPS GAPS DESIGN PROPELLERS VORTEX Gbe 3netituttort of Cfofl En@neers. SELECTED...

... the tunnelling operationswere carried out. The surface arrangements a t this working site contained a trans- former-station for the main supplyof electricity, a compressor-house, containing three air-compressors working up to 80 Ibs. per square inch, which supplied air to both A andB working sites, blacksmiths...

... BENDS PRESSURE EARTH JOINTS DEFECTS PIPES AIR VALVES SLUICES WATER HAMMER FROST EARTHQUAKES LIGHTNING TUBERCULATION METHODS TREATMENT ATMOSPHERIC UNDERWATER TRAMWAYS RAILWAYS UNDERGROUND ELAN VALLEY BIRMINGHAM KEIGHLEY NEW YORK FLORIDA WAKEFIELD PROVIDENCE HARRISBURG...

...D J ANDERSON © Thomas Telford and ICE 1932 AERIAL SURVEYING AIR SURVEYS PHOTOGRAPHY CAMERAS PHOTOGRAPHS TILT PROBLEMS ERRORS METHODS AEROPLANES PRACTICE BIBLIOGRAPHY SELECTED ENGINEERING PAPERS. BEINQ ORIGINAL COMMUNICATIONSORDERED BY THE COUNCIL TO BE PUBLISHED WITHOUT...

... of hardening will best meet the case. Therearetwo classes of heat-treatment for hardness. The first class produces a fairly uniformdegree of hardnessthroughoutthe stecl,and consists of oil-hardening and air-hardening.Thesecond comhines a hardouter skinwith a softer, tougherinterior,and includes case-hardening...

...R F LEGGET CANADA NORTHERN POWER CORPORATION CANADA POWER CORPORATION WINTER CONSTRUCTION AUTOMATIC LOW HEADS HYDROELECTRICITY PLANT POWER COMPRESSED AIR POWER HOUSES POWER STATIONS LAYOUT COFFERDAMS RIVERS CONTROL EXCAVATING CONCRETE TRANSMISSION LINES TURBINES...

...H MAWSON © Thomas Telford and ICE 1927 TESTS CALCULATIONS EFFECT THROTTLING INLETS CHARACTERISTICS FANS AIR SUCTION PRESSURE SPEED METHODS VOLUME SELECTED ENGINEERING PAPERS. BEINGORIGINAL CONMUNICATIONORSDERED BY THE COUNCIL TO BE PUBLISHED WITHOUT DISCUSSION. No. 51...

...D S MATHESON SUBAQUEOUS TUNNELLING COMPRESSED AIR POWER STATIONS CABLES TUNNELS RIVERS UNDERWATER POWER WORKS TRIAL SHAFTS METHODS SINKING BORING LININGS CEMENTATION SETTING OUT ILLNESS SICKNESS PRESSURE DECOMPRESSION BENDS BARKING RIVER THAMES UK ©...