... and material was taken outof the tunnel through theFifteenthStreetshaft. Theconnectionbetween the switch enlargement caisson and the north tunnel was driven westward by installing a shield in the short section of double-track tunnel east of the shaft, and as it was necessary to cut a passage for the shield...

... ACCELERATION TRANSITION SUPERELEVATION CANT ALIGNMENT GEOMETRY CURVATURE CROSSINGS SWITCHES JUNCTIONS WIND ACCIDENTS PRACTICAL METHODS IMPROVEMENT HIGH SPEED Proceedings.] CORRESPONDENCE ON RAILWAY-CURVES. 169 place on the Princetown railway, where the problem to besolved The President...

...F J PRESTON; R C H BARNARD © Thomas Telford and ICE 1901 POINTS CROSSINGS CURVES SWITCHES RAILWAYS TANGENTIAL TANGENTS Selected PRESTON AND BARNARD ON POINTS AND CROSSINGIS. 245 Papers.] SECT1.1.-OTHER SELECTED PAPERS. (Paper No. 3229.) Points and Crossings laid with the Curves...

...J A SANER SWING BRIDGES RIVERS LATTICE GIRDERS PONTOONS CHAMBERS PILES ROLLERS ELECTRICAL GEARS SWITCHES COSTS SUBSIDENCE ERECTION WEAVER NORTHWICH ENGLAND CHESHIRE UK © Thomas Telford and ICE 1900 72 SANER ON SWING-BRIDGES OVER THE WEAVER. [Minutes of 23...

...H F DONALDSON DOVE BROTHERS J MOWLEM COLD STORAGE COOLING FROZEN INSULATION FOOD MATERIALS MACHINERY MACHINES REFRIGERATION ENGINES AIR LIFTS SWITCHES TRIALS DOCKS STORES COMPRESSORS CHAMBERS GAS ELECTRICITY THERMAL CONDUCTIVITY EXPERIMENTS CHARCOAL LONDON...

...A DICKINSON © Thomas Telford and ICE 1894 SOUTH STAFFORDSHIRE TRAMWAY COMPANY ELECTRIC TRAMWAYS TRACTION GENERATION POWER STATIONS ELECTRICITY WIRE SUPPLY TROLLEYS POLES CARS TRAMS TRAMCARS MOTORS SWITCHES WORKING COSTS TOWNS STREETS ROADS ENGINES DYNAMOS...

...C H WORDINGHAM © Thomas Telford and ICE 1892 METERS RECORDING CONSUMPTION ELECTRICAL ENERGY ELECTRICITY CURRENTS SUPPLY POWER INSTRUMENTS TESTING TESTS COILS SWITCHES 358 WORDINGHAY ON METERFSORELECTRICAL ENFJtGY. [Selected (Paper No. 295.) Meters forrecording...

...C H WORDINGHAM © Thomas Telford and ICE 1890 TELEPHONES TELEPHONY SWITCHES SWITCHING COMMUNICATIONS EXCHANGES SWITCHBOARDS INDICATORS METHODS TELECOMMUNICATIONS ELECTRICITY SYSTEMS 354 WORDINGHAY ON TELEPHONIC SWITCHING. [Selected (Students Paper No. 266.) Telephonic...

...A JAMIESON © Thomas Telford and ICE 1885 ELECTRIC ELECTRICITY LIGHTING STEAMSHIPS INCANDESCENT DYNAMOS ENGINES GOVERNORS DRIVING DRIVES WIRING WIRE SWITCHES LAMPS ARC CONDUCTORS SHIPS LANTERNS ILLUMINATION THE INSTITUTION OF CIVIL ENGINEERS. SESSION 1884-85.-PART I...

.... GROUPII.-WORKS AT STATIONS. &ueslim 2. What is the best space to allow between t.he rail and t h e guard at switches and crossings ? The answera vary considerably, but the best practice appears to be to allow a space of 16 inch on a straight road, or 19 inch on a curve. This extends only for abou3t feet 3...

... RAILWAYS SIGNALS SIGNALLING BLOCKS INTERLOCKING LEVERS COSTS MAINTENANCE POINTS BARS LOCKING SAFETY FOG SWITCHES TELEGRAPHS GEARS RODS PATENTS SYSTEMS APPARATUS SIGNALMEN BOXES STAFF EMPLOYEES TRAINING SEMAPHORE FIXED ELECTRICITY TRAINS LAMPS SPEED ACCIDENTS 190...

...R C RAPIER RAILWAYS SIGNALS SIGNALLING SEMAPHORE ARMS POSTS DISCS DISTANT INDICATORS SELF ACTING AUTOMATIC FOG SAFETY DETONATORS SWITCHES CONNECTIONS INTERLOCKING APPARATUS JUNCTIONS LEVERS LOCKS EXPRESSES TRAINS PASSENGERS GOODS SIGNALMEN SELECTION STAFF EMPLOYEES...

...HARRISON; R P WILLIAMS; J BRUNTON © Thomas Telford and ICE 1870 RAILWAYS POINTS SWITCHES JUNCTIONS SAFETY APPARATUS FACING LOCKING INTERLOCKING SIGNALS DEVICES 22 APPARATCJS FOR WEDGING PACING-POINTS. Kentish rag was used in pieces weighing from 1cwt. to 2 cwt. each...

... and crossings,, on the first 76 miles of the Great Northern Railway, during nine months, ending Dec. 31st1854 ; butit does not include the cost of labour for taking up and relaying, nor the renewal of the timbers :- 10 switchese,xclusive of lever-boxes, at $15 268 fixsweditch rails, at %El 16s. . 56 tongue...

...B BURLEIGH; CARR; NIXON; J CUBITT; R STEPHENSON; C SANDERSON; J HAWKSHAW; C MAY; G P BIDDER; W POLE; J SIMPSON RAILWAY SWITCHES AND CROSSINGS. 431 Mr. BURLEIGH had very few remarks to offer, in addition to the Paper, but was most desirous of hearing the r e d t of the e x p rience of others...

...C H GREGORY © Thomas Telford and ICE 1851 BRISTOL & EXETER RAILWAY RAILWAYS SIDINGS STOPS SELF ACTING AUTOMATIC BLOCKS SWITCHES 192 RBILlVAY SIDING STOP. January 21, 1851. WILLIAM CUBITT, President, in the Chair. The following candidates were balloted for and duly...

...FARAM © Thomas Telford and ICE 1844 RAILWAYS SWITCHES 127 No.697. A model was exhibited of Param s Railway Switch. The object of this invention was explained to be, that by means of Railway anapparatusattachedtothe locomotive engineandunderthe S yitch. command of the driver...