Document MJrLpK8j6xMBwjXm9r5Ob6NLV

Murray Turbines b. A More TECHNICAL BRIEFS hegJei m Sine. Iho primary purpt>H ,,|, yalem la to limit ihe ,iK o! j on o circuit during a hull, li !, ,,Ktl~r,} lory dial ihe renounce to earth be ken'll low b> tuitable electrode,. The deoien' sod Installation of (he grounding %ni lems si iho U. S. Steel Corp'i f*airleas Works is described as s typical case tii? cathodio protection. When developing this system, soil samples were \mei which gave resistance readings of to 28.000 ohms per cm. jv Because of the earth's high resistance^ steel rods 40 ft long 1%-in. In diameter were driven into the earth to a potat^ where better conductivity was found.'Each p&Jr of these rods was protected^ by a 10-ft long, 4x4-ln. squire mag'^ nesium anode rod cast on the center e{ '$ a 20-ft long, 1-in. diameter steel rod.:")' It is believed the steel ground rods witho this cathodic protection will iasi'ln;)^ definitely and that the magnesium^ anodes should last about 20 years. dfS\* paper. No number. More FREE BULLETINS color, 4-page folder. Photos. ekotchai, en^rg daui,jnodel and AppIlQAtlantpMi. -v d_ comprehensive and cross-ret-'?' srenesd. Old Haling expanded to loolofle.'ll Ibroe new categories, 16 now products**: ranging from adhesive* to molding oom-<* I pounds. Dow-Coming Corp, Mich. ,*| A typical, modern, small public utility is the Municipal Light and IB Total - htgh-OIIU l uu uucivil hoviwi *--'-^1 punch press service. Two-oolor, 4-pg*:\T Folder. Phetoo, cutaways, dimensional / drawings, full specs. Bulletin OBA-, ISIS. General Blootrlo Co. Soheneotadf I. N. T. Power Plant at Traer, Iowa. This plant supplies water, steam heat and electric power to the community and surrounding countryside. The Murray turbo-generator pictured above carries the full electrical UCarrrnt llmlllng. cast-ln-csocreto senators for single and Iphase clrouits of 14,600 v and belowTwo-color. I-page catalog. APpHcetloo photos and data. Bulletin OBA-IJ6& general Blootrlo Co, Schenectady 6, . load of the plant and supplies the steam for heating by automatic if New manual, Operation 9*4 Md* fenoMt of l)r-ltrpe Trane/emF*. extraction at 10$ gauge pressure. written &e guide for management, I** trtelane ana malntenenee personnel > proper Installation and care of MU'v- ' ment. Ten _pagee, Mge. eng** Manual Tl, rfev" Duty Electric Co. Mi* The simplified design and rugged construction of this and ell MURRAY waokoe 1. Wle. turbines particularly adapt them to this or any other drive where long a D Alaminam for power and Hphtlni I w wire, fte aees and properties > oludlng current-carrying capacity, com life, reliability and low operating costs are a must. parlson of weights, brooking streak*1* eta Thirty-page handboa States Bobber Co, Eleolrleai "***:,i Cable Dept. Rockefeller Center, N York 10, N. " IRON WORKS COMPANY BURLINGTON, IOWA HBAT IXCHANGIRS 19 Pally antomatf*. heavy fuel r burners Two-color, l-page *< Photo*, capacity ratings. construct*, features. Droenore A-604, Bay Burner Co. 1101 Ban Jose Are, Franoleco II, California. Builders of Steam Power equipment for Three Quarters of a Century M standard method for tasting water unit boaters so as to a**" ?OWtt * DICEME*.*ji 249