. The Street railway journal . h Positive Lock, as well as an Improved Nui of Universal App! icalion FOR BY The Mine and Smelter Supply Company, - - DenverThe Waycott Company, - - - St. Louis, W. Middleton Company, - - - Philadelphia, , Eitler & Todd Company, - Pittsburg, Company, - - Cleveland, , Haley & Company, ----- Boston, Hardware & Steel Compy, San Francisco, Engineering Company, - Cincinnati, & Berg, - -- -- -- -- - Chicago, 111. The Columbia Lock Nut Co. (Incorporated)BRIDGEPORT, CONN. DR
. The Street railway journal . h Positive Lock, as well as an Improved Nui of Universal App! icalion FOR BY The Mine and Smelter Supply Company, - - DenverThe Waycott Company, - - - St. Louis, W. Middleton Company, - - - Philadelphia, , Eitler & Todd Company, - Pittsburg, Company, - - Cleveland, , Haley & Company, ----- Boston, Hardware & Steel Compy, San Francisco, Engineering Company, - Cincinnati, & Berg, - -- -- -- -- - Chicago, 111. The Columbia Lock Nut Co. (Incorporated)BRIDGEPORT, CONN. DROP FORGED PURE LAKE COPPER COMMUTATOR BARS Give best service. We gauge them accuratelyJ8^ EVERY SEGMENT CAREFULLY INSPECTEDFORGEDOF ONE SINGLE PIECE OFUNALLOYEDCOPPER. FOR STREETRAILWAY ANDSTATIONARYMACHINES THE BILLINGS & SPENCER CO., Hartford, Cona., U. of Machinists Tools aad Drop Forgings for all purposes London Office : No. 8 Long Lane, Aldersgate Street, LONDON, E. C, ENGLAND, (i) Spiral iNut-Loch What is it ? A graduated circle of crucible steel wirethat follows nut on bolt when same position, absolutely locking nut. Some of its Advantages It requires no .special tool. Not affected by vibrationMechanical in construction. Cheaper and more eifeciivethan a jatnb-nut or Cotter key. Specially adapted for equipment, track, SPIRAL NUT=LOCK COMPANY
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
