Scientific American Volume 65 Number 20 (November 1891) . found them Copy of telegram sent in answer to an inquiry regarding reliability and cost of maintenance of Thomson-Houstonapparatus. The name of the sender will be gladly furnished on application to the THOMSON-VAN DELOELE ELECTRIC MINING CO., 620 Atlantic Avenue, Uoston Mass. WHY PAY FANCY PRICES for Valves having composition disks (either hard rubber or as-bestos), beca se you haye become disgusted with thecommon cheap trade valve. No composition is asgood for steam aB gun metal; therefore, why be misledto pay more for an inferi
Scientific American Volume 65 Number 20 (November 1891) . found them Copy of telegram sent in answer to an inquiry regarding reliability and cost of maintenance of Thomson-Houstonapparatus. The name of the sender will be gladly furnished on application to the THOMSON-VAN DELOELE ELECTRIC MINING CO., 620 Atlantic Avenue, Uoston Mass. WHY PAY FANCY PRICES for Valves having composition disks (either hard rubber or as-bestos), beca se you haye become disgusted with thecommon cheap trade valve. No composition is asgood for steam aB gun metal; therefore, why be misledto pay more for an inferior article? Investigate I*un-kenheimers Patented Regrinding Valves, made ofgun metal, heavy and regrtndable. When leaky,canbe made good as new by regrinding, or the disk re-placed. These valves are extensively used on loco-motives, steamships, in refineries, and by the U. on cruisers. Every valve has a direction tagattached, Lunkenheimer cast in the valve-shell,and warranted. For sale by dealers, orThe Lunkenheimer Jtrass Mfg. Co., Cincinnati, ICE-HOUSE AND COLD BOOM.—BY R G. Hatfield. With directions for construction. Fourengravings. Contained in Scientific American Sup-plement, 59. Price 10 cents. To be had at this officeand of all newsdealers. DEFIANCE MACHINE WORKS, DEFIANCE, OHIO, U. S. A., BUILDERS OF WOOD-WORKING MACHINERY FOR Hub, Spoke, Wheel, Wagon, Carriage Bending,
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