. Electric railway review . Armature Coils furnished by this Company have a special form of mica insulation. Allcoils are made to fit perfectly in slots without hammering and are thoroughly tested be-fore leaving the factory. Field Coils are placed under a vacuum, which removes all objectionable moisture. Theyare then impregnated with a solid compound which gives them high insulation and highheat resistance. Electric Serviced Supplies Co. W_£¥ER &ENGLUND NEW YORK Supplies for Every Electric Service* GAKTON-DANIELS PITTSBURG SAINT LOUIS POKIER & BERG DEPT CHICAGOAT
. Electric railway review . Armature Coils furnished by this Company have a special form of mica insulation. Allcoils are made to fit perfectly in slots without hammering and are thoroughly tested be-fore leaving the factory. Field Coils are placed under a vacuum, which removes all objectionable moisture. Theyare then impregnated with a solid compound which gives them high insulation and highheat resistance. Electric Serviced Supplies Co. W_£¥ER &ENGLUND NEW YORK Supplies for Every Electric Service* GAKTON-DANIELS PITTSBURG SAINT LOUIS POKIER & BERG DEPT CHICAGOATLANTA National Air Brakes. EMERGENCY VALVES WITH QUICK-RELEASE FEATURE. National Emergency Quick-Release Valve The new National Emergency Valvewith quick-release feature combines withthe straight air brake system the emergencyquick-set and quick-release features of theautomatic system. This is the most sim-plified type of emergency apparatus, re-quiring one-third less piping than any otheremergency equipment. WRITE FOR DESCRIPTIVE BULLETIN. National Brake & Electric Co. NEW YORK: 111 BroadwayPHILADELPHIA: 1722 Westmoreland StBOSTON: P. B. Huntress, 131 State St. SAN FRANCISCO, CAL.: W. P. McKenny, Milwaukee IJ ^ A s26 Missi<m st- • *J LONDON: 14QreatSmlthSt.,Westniln8ter General Sales Office: 519 First National Bank Building, Chicago IliiK. ELECTRIC RAILWAY REVIEW Steam Turbines Have No Secrets of Construction The simple method of blade mount-ing; the water sealed packing glandssurrounding the shaft; the automaticspeed limit; the automatically con-trolled secondary valve, allowing enor-m
Size: 1354px × 1844px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
