Document nMz1gp30vqLk8GkR79NEM6da

e: // / fYffflWf/krlt 0 ^ '54 V ^ .'tym -S'vS _, . aaafcf *S3B& 4SSAH 2---S5rJ HH? iWtW-.' SSSSf-j 1^d ih&) .2^ ^agfe:] '.`v5t^Sk*> FEBRUARY, 1940 World's largest sewage-treatment plant steam powered ... 56 Ship diesels burn heavy residual oils by solid injection........... 60 First load-test results of a combustion gas turbine.................. 62 "Sweet-running belts"---three on one flywheel........................... 64 Simple recording meter rig measures boiler blowdown........... 65 Turbine lubricating oil conditioned by acid correction........... 66 Portland, Ore., utility cleans boiler with inhibited acid........... 68 Modern equipment boosts efficiency at Ruppert Brewery. ... 71 Letters from a turbine specialist--No. 6, on performance. . . 74 1 Special section--16 pages on direct-current motors................ 75 Power photos--new Allison Div of General Motors Corp. ... 91 Twenty diesels in a row supply power for Peoria plant........... THE OPERATING ENGINEER It's time to plan your way out of trouble--what to do........... 94 95 Another method of repairing diesel-engine piston heads. ... 97 How to line up duplex machines in your power plant.............. 98 Practical Aids........... .... 100 Readers' Problems ......... . 104 Argument Corner . . . ____ 108 How to Wrinkle Bend. . . . 109 DEPARTMENTS Foreword.................... .... 65 Exhaust Lines.................... . 70 ' !- !' ;: j !; ; i* : * 'Mr -ft- i,*-' ?!--:K-r-:- KsifdiVny ' f Engineers' Bookshelf . . . . . 112 Data Sheet No. 91 ... . ... 122 George Edwards . . . ... 130 Power Lines....................... . 114 New Plant Equipment. . . . 124 Straws and news notes. . . . 150 W-HILL^BUCATIOnj .dec-aa43H(SaaUysChaintiSj ^s_S_p_u_b_U_C__ari_o_ri_o_ffBic^eT99^i29^Nonl,Broidwi)rS!^bw`V?'N. .\S%Sp airi*ls;Exeeuuve`;Office*^30.>55%st'42odjSr^Newt^rk.. N.TG** ftce-Qiiunxiir `ZWASHCNGTONPHitJuBJMo&vHS;Soutfa'Bftd;St^g^.^^^gvATLANTAi-:ilO? Rhod-Hvercr `Bldg,;^ r'Ciiv^T^iaw6rHMM.Bllg'iS^^^NDO'N^AIdwycl"Houe;`AldwycE;:Loodon>WC5riJ Month after month at 3500 ibs. pressure! Garlock CHEVRON Packing shows its remarkable stamina in heavy hydraulic press service. For long, dependable performance on any tough job, use CHEVRON--the "automatic action" packing. Specify GARLOCK 430 CHEVRON for hydraulic service; 431 for oils at low temperatures; 530 for steam, air or gas; 531 for hot oils. THE GASLOCK TACKING CO., TALUYRA, N. Y. In Canada: The Garlock Packing Co. of Canada Lid., Montreal, Quc. GARLOCK 15$