Serial No. 31. 1250-Kw.

1949 MODERN PLANT SUR Tables list engineering features of over 450 new utility and industrial steam plants, more than 175 hydroelectric units.

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CataVits'a UKiON and VALVE dependability means LOWER M'AiNTE'NiiNCE: COSTS . . . wlthjan EXTRA margin of safety I HOT FORGED STEEL AND STAINLESS STEEL UNIONS STANDARD 1/8" TO 3" Cld<WfUi>| Prtitura up to 3.000 pound*.

Power Eiglaeeit' Notebook (CoM-w/romp,,, no) HOW TO DO MILLING WORK WITH A LATHE Cutting accurately spaced grooves with a milling machine having an in* dexing head U a fairly simple job.

SPEAKING OF POWER crack that an engineer is e man *jjj reasons from insufficient evidence, methods that arc often faulty, and hii, the right answer more often than com Add to thing* that sound screwy but aren't: recent proposals to refrigerate the perma-frosl under runways of Alaskan and Canadian air fields.

IEocH Individuol piece of equipment requires o ceporato rrumbtf end o cord with oil Identifying mclnfenonee dofo 4 Once clots of maintenance work, electrkol, tnechonlcei;V-D etc, is fixed, e work order form , like thir one It hsued^'H 3 Good operating men often see trouble coming, request unscheduled maintenance on this form 4Moterlol costs developing from o requested mointenonce job or from a regularly scheduled one ere collected end recorded for cempony use fi Preventive Maintenance Requires Firiilpcheduling Here are basic steps in setting up a preventive maintenance program in your plant.

P&tittve, S (fattnUb rfMf With Boeuacmt Birch Coal Handling Equipment one operator controls all ooei handling with Unger-tip con trols, like this-- Coal arrive* by tail. 1* dumped in* to hopper, raised by backet eltuter and discharged either lata bunker . lor immediate use at down e chute to yard storage.

ijy^e ifl atorage; thU may be aggra time of sampling and analyals depends of moisture, ash and volatile matter vated by mixing oil* of different char- on the kind of coal, slxe, weather con from 100% yields a percentage called H when deliveries from two ditions, and method of handling sample. fixed carbon.

ARCS 012 * General Sales Department American p ^tattdavd Radiator CORPORATION Deoember 13, 1946 Q-651 P.

Ansa uu // / r : \irf General Sales Department American p <$tai?

I NEW LITERATURE * R-P&C Pressure Seal Valves for high pressure, high temperature applications The soundness and reliability of the pressure seal hcnnel joint in R-P*C high jntsun cast steel valves haa been thoroughly proven by Grid expe rience aod ore.

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