...A J GOLDING © Thomas Telford and ICE 1921 USE ELECTROMAGNETS MODERN PLATES ROLLING MILLS OPERATING TABLES STEEL MAGNETS 384 G O L ~ I N GON THE USE OF ELECTRO-MAGNETS AS [Selected (Puper No. -4367.) (The Use of Electro-Magnets as ( Skids in a Modern Plate-Rolling Mill...

...S B COTTRELL © Thomas Telford and ICE 1901 SIGNALLING OVERHEAD RAILWAYS AUTOMATIC MAGNETS ELECTRIC WIRING CONTACT SIGNALS LIVERPOOL ENGLAND UK 16 COTTRELL ON SICtNALLING ON THE [Minutes of (Paper No. 3266.) Signalling on the Liverpool Overhead Railway...

...J A EWING MAGNETISM MAGNETS TELEGRAPHY COMPASSES ELECTRICITY CIRCUITS DYNAMOS IRON ORES INSTRUMENTS TEMPERATURE PERMEABILITY HYSTERESIS © Thomas Telford and ICE 1899 Extra Meeting.] EWING ON MAGNETISM. 289 EXTRA MEETING. 20 April, 1899. WILLIAM HENRY PREECE, C.B., F.R.S...

...W E AYRTON © Thomas Telford and ICE 1899 ELECTRIC METERS MATERIALS MAGNETIC METALS MAGNETS INSTRUMENTS GALVANOMETERS AMMETERS VOLTMETERS MEASUREMENT SWINBURNE ON METHODS OF ELECTRICAL TRANSFORMATION. 481 a largertubetakes a covering of smallerdiameter. Exceptthe first...

...L B ATKINSON © Thomas Telford and ICE 1898 THEORY DESIGN WORKING ALTERNATING CURRENTS MOTORS ELECTRICITY ELECTRIC ELECTRICAL CONTINUOUS CONDUCTION INDUCTION GENERATORS ALTERNATORS CONSTRUCTION TURNING MOMENTS ASYNCHRONOUS PROPERTIES COILS MAGNETS MAGNETIC NON...

...H F PARSHALL © Thomas Telford and ICE 1897 ALTERNATING CURRENTS DYNAMOS TESTS EFFICIENCY DYNAMOMETERS LOSS GENERATORS MOTORS ALTERNATORS ELECTRICITY METHODS TESTING ARMATURES MAGNETS MACHINERY CONNECTIONS POWER STATIONS POWER TRANSMISSION Papers.] PARSHALL...

...SIR B BAKER; J A EWING; H F PARSHALL; J A FLEMING; J HOPKINSON; S THOMPSON; W E AYRTON Proceedings.] DISCUSSION ox MAGNETIC DATA OF IRON AND STEEL. 245 Discussion. Sir BENJAMBINAKERP,resident, moved a vote of thanks to Pro- Sir Benjamin fessor Ewing (one of the highest authorities on the subject...

...P DAWSON; H DU BOIS; F OSMOND; E WILSON; H VEILLON; J A EWING; H F PARSHALL © Thomas Telford and ICE 1896 MAGNETIC TESTING DATA IRON STEEL HYSTERESIS MAGNETS RAILWAYS GENERATORS ELECTRICITY METALLURGY METALS TRANSFORMERS TESTS Proceedings.] AND DATA OF IRON AND STEEL...

...J A EWING © Thomas Telford and ICE 1896 MAGNETIC TESTS IRON STEEL MAGNETISM RODS INDUCTION MEASUREMENT FORCES PERMEABILITY HYSTERESIS BALLISTICS TESTING TRACTION BARS YOKES METALS ELLIPSOIDS MAGNETOMETERS MAGNETS CASTING TRANSFORMERS ELECTRICITY Proceedings.] EWING...

... with D great shaft between, what was to be done with the enor- mous weight on the footstep? That difficulty had been overcome by simplyutilizingpart of the water-pressure intheturbine to support nearly the whole of the weight of the vertical shaft and theweight of the field-magnets of the dynamo...

... IRONWORKS SIZING CONCENTRATION CRUSHED MINERALS SEPARATION MINING MACHINES MACHINERY TABLES MAGNETIC JIGS SCREENING MAGNETS GOLD MINES VANNERS SEPARATORS PLANT JIGGING COPPER COAL IRON PYRITES CLAYS ELECTROMAGNETS MAGNETIC 90 DISCCSSIO-U ON SIZING O F CRUSHED NIBEEhLS...

...R E COMMANS © Thomas Telford and ICE 1894 CONCENTRATION SIZING CRUSHED MINERALS ORES MACHINERY SEPARATION COAL CRUSHING SCREENING SCREENS SLATE REVOLVING SORTING JIGS SIEVES TABLES SLIME MAGNETIC MAGNETS MINING MACHINES IMPURITIES HAND SPECIFIC GRAVITY PISTONS...

...J SWINBURNE © Thomas Telford and ICE 1892 ELECTRICAL ELECTRICITY MEASUREMENT INSTRUMENTS VOLTMETERS AMPEREMETERS CURRENTS GALVANOMETERS MAGNETISM DYNAMOMETERS MAGNETS CONTINUOUS ALTERNATING WATTMETERS POWER RESISTANCE METERS OHMETERS MEASURING INSTRUMENTATION APPARATUS...

... the consideration of whatmaterial is the best for the con- struction of themagnetsand framework,sincethese form the heaviest part of the motor, and also allow of more variation in design than the armature andcommutator. It is generally found not to be desirable to magnetize cast-iron more thanhalfashighly...

... beenworked outto control the turbine automatically. Thiswas effected in the following manner :-The main ring contact switch placed in the housecarried a small separate switch, so arranged that before themaincircuit wasaltered,acurrentwas passed through one or other of a pair of magnets fixed near the turbine...

... EFFICIENCY HIGH SPEED PISTONS RODS ARMATURES INERTIA INDICATORS MAGNETS MAGNETIC CIRCUITS GENERATORS DRUMS CYLINDERS 246 DISCUSSION ON HIGH-SPEED MOTORS [Minutes of M~. but little radiating surface, and nomeans of getting air t o the core. Dr. Hopkinson had affirmed that work was expended...

...-magnets andgeneral pro- portions, the power of dynamos, as comparcd to their bulk, was Proceedings.] KAPP ON CONTINUOUS-CURRENT DYNAMO-~VIACHINES. 125 more and more increased, the old attachment by friction became unreliable, andin all good modern machines more positive methods have been substitutedT. he...

... DYNAMOS ELECTRIC MACHINES ENGINES MACHINERY ELECTRICITY STEAM RECIPROCATING ROTARY COMPOUND LUBRICATION INERTIA COMPRESSION REGULATORS ARMATURES STEAM HIGH SPEED VELOCITY CYLINDERS CRANKS PINS PISTONS CONNECTING RODS REVOLUTIONS PRESSURE TEMPERATURE MAGNETIC RESISTANCE IRON...

...P W WILLANS © Thomas Telford and ICE 1885 ELECTRICAL ELECTRICITY REGULATION SPEED STEAM ENGINES MOTORS DYNAMOS LIGHTING INCANDESCENT GOVERNORS MAGNETS ELECTROMAGNETS MECHANISMS PISTONS SOLENOIDS VALVES THROTTLE CORES COILS FRICTION REGULATORS DUPLEX LIGHTS...

...P HIGGS 246 HIGGS ON ELECTRO-MAGNETS. [Selected (Paper No. 1818.) " The Construction of Electro-Magnets." By PAGEHTIGGSL,L.D. THEmanner i n which the subject of constructing electro-magnets is ordinarily treatedis very vague, andaffords no practical data to the inventor nor to the constructor...