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I),000 HOURSMore EQUIPMENT neJJ 'll wot V-Srml Packing 100? Series S-2500 vee-Kil pfUS?8 sponsive packing It made o( JCrlcs-T/faJ rafluoroethylenc resin). MnuleiortrJc ommendt it lor vulve stems, bydin cylinders, jacks,' lilts and pampa.'lilS. temperalure rang* i from -110 to +^sSTm Packing it said to be self-sealing ae!d5ljil adjusting. Upon application of br'drulfl pressure, seol eipandi agaimt tho.'itnSuJ box and inward ageinst tha lem tarftffll eating. fySfiL W S Shnmben & Co, 11617 V EJlvd, Culver Giy, Callf.rVJ i Insulating Varnish 1068 Hftfll-raiilenl iniulttieg, ufoS No. 1R0, is said to show no adverse dim on eleeuical epplicellors when op<rat^tf3 lernperalures at high ei 160 C tt-.hijfflM clear color, excellent oil and < iaianee, with a dry dielectric atren'iih^ 2100 v per mil, according I truer. Irvington Vornlsh A Insulate Promotion Dept, Irvington; It.ljJ I#? ttstwa.'-'.-t . The Msf grows --fho tier of utility and lnduttrlat sfoom gonoroffng pfonfs lor which Green font were selected to provide the olr nocetiary for combustion purposes. Draft fans yield to no othor equipment In their impor tance to efficient steomlng. They must bo properly designed for the requirements In each plant respec tively. They must bo conservatively rated. And they must be durably constructed. Green Fans fulfill these basic requirements. You wouldn't find them In so many large utility plants and largo Industrial plants unless they hod thoroughly proved their worth. <siu;E\ O.r CMh| N. lit Ml* ll b* O'm* rni. MrlU f*r ipy. e7itei Hconoml^ex'- > *n4ya, Owl (Offton COMPANY INC* 228 Self-Adhesive Marker* 1090 Self-adhesive aisle markers irnplicity ol installation, resist***.4*8 abraaion and common eorroslms *D^ ^3 degree of visibility. Made ol .0054ft. ^^.8 plastic, they will not Imped* phot Stock circular markera are available I" to 5-in. dla, arrows in 2 to S-ifc d. special sues and ahapes made to order-^j W. |{. ftrady Co, 727 V Glendeh d Milwaukee 12, Wiireailo POWER OCtOSE* ! WFhis Itjgersoll-Rand High Pressure oiler Feed Pump installed 15 l^earj ago has never been opened bfor inspection .. . and it still meets H-capacity andpressure requirements. IVThe Ingersoll-Rond Claas HT pump shown above was installed In 1936 at the Windsor Station, owned [jgf jointly by The Ohio Power Company (part of-the ; American Goa & Electric Company) and the West Penn Power Company (in the West Penn Electric Company system). Since that time, it hat operated for over 100,000 hours--pump. Ins 1025 gpm of 380* P boiler feed water at 413 psi Intake and 1900 pii discharge. Throughout this entire 15 year period, the cosing ond high pressure breakdown have never been opened for inspection. There are five other 1*R Claas HT pumps at this station. Pour of these have chalked up unopened ervice records of from 30,000 to 80,000 hours each. These outstanding operating records are the result of competent pump operation end feedwater control on the parVot the station's personnel--and the care ful material selection end high standards of con struction inherent in every I*R boiler feed pump. Por proved dependability in high pressure service, it pays to specify Ingeraoll-Rand pumps. Ingeraoll-Rand Comsron Pump Division 11 Broadway, Now York 4, N. V. (onus compressors AIR 1 ElECTRIC TOOIS # VACUUM EQUIPMENT OCTOBER IMS OAS i DIESEl ENGINES w