Document QNyqmyagEMb7vQZeVxG2e0y8

Supply problems you all at sea f .Air Express is the fastest service you can buy. Use it regularly to ship'and .receive supplies, equipment and parts. It solves your shortage problems in a matter of hours. Air Express shipments go on all flights of the Scheduled Airlines. There's no waiting around with this .speedy 24-hour service. Special pick* up and delivery is included at no extra -cost, and Air Express rates are low. It pays to standardize on Air Express. Call on Air Express . Low rote*---apodal pick-up and delivery In pHndpa) U. 8. towns and cities at no extra cooL Moves on all flights of all Scheduled Airlines. Air-rail between 22,000 off-otriino offleee. True case hlsterys Dellas motor repair chop regularly gets supplies by .Air Express. Keeps equipment rolling, typical shipment; 60-lb. carton -of rubber hoee picked up In Indianapolis 6 P.M., delivered 9:30 A.M. following day. 777 miles, Air Express charge only 114.74. Any dieLance cunil&rly Inexpensive. Phone Air Exprose Division, Railway xproes Agency, for fast shipping action. . AIR EXPRESS, A SERVICE OF RAHWAY EXPRESS AGENCY AND THE SCHEDULED AIRLINES OF THE U.S d40 1509b) 40,000-gel clear well. Two vertical dee^ well pumps deliver water from cUq^ well to softeners. -V All chemical feeders ate wet t^ '.i with electromagnetic proportioning chanisms operated from a meter in ^ rew-woter inlet Water Softeners. Softeners are eu.. bonaceous-scolite type. Two units are now installed, each 7 ft, 6 in. dia, *{ space (or a third unit when pli^ capoeity increases. Each unit has s peak capacity, at 8 gpm per sq It, suffidem to handle total water requirememi when other unit is out (or regeneraUae.' Spray-type deaerator is designed lor.1 200,000 lb per hr. Space (or a second unit is provided when required. Internet Treatment. Phosphate to internal treatment is mixed in an opa tank and pumped directly to baila^ drums. A 2-cylinder pump is used, eatf cylinder pumping to each boiler, triitf a single-cylinder pump as a spare.`A, timer that operates a 3-way valve la tbT pump suction-Une controls chendur feed. During a part of the timer's Iftj min cycle, the valve supplies phosphifl solution to the pumps; during remab? dcr of cycle, flushing water is pumpW Pumps also have adjustable strokes Itf controlling feed to each boiler. Chemical Feed Tanks. All chemto feed tanks are on the operating fa They are designed for 24-hr storage that charging the tanks is done cs each day. A chemical storage room oe the equipment can store several meow supply of phosphate, caustic and fan sulphate. Salt is purchased In earbij Iota and stored in on underground tank.' Sulphuric acid, purchased Ir cars, is stored in an outside steel tssj from which it flows by gravity to measuring tank in the building. This system, in operation over a is satisfactory in every way. The Bookshelf (Continued from page 136) Synthetic Pctuolsum Foots rni thins Pbockss (1940) By B State engrg experiment station. School of Tethnology, and J C Lane, Utrjr division. Coif Research and Di menl Co. 303 pp, 5x6, Ulust, tablet, 16.75. Chemical Publishing Co, Brooklyn, ft. Y. With future demesUe-eil suppUs* lloned in many quarters, synthetic troleum commands attention by bolb ' dueere and aeon of 'pcuoleum 91* Among the.procatses receiviag enntttf slderatiee, the tyuthine (or POWER Avqvt* i COFFIN TURBO PUMPS - --HIGH SPEED SINGLE STAGE low PRESSURE AXIAl THRUST ... NEARLY BALANCED . . . SMALL RESIDUAL TtyRUST.............................. (SucHon pressure X 'pump gland area) COMPENSATING SMALL AXIAl THRUST (Exhaust proisuro X turbine gland area) -8- Exact Hydraulic Balance.... .vllhoot fleeting balancing devices S*1 regardless of toss of suction or `flashing." Bearing Troubles . Minimized Standardized Boiler Feed Units fort Stoem Prewrei to W4 P$l Steam Temperatem to BO F loch Ptouaroi to M PSI Temp Capacities So 100 OPM piKNqi P---------- -- UeiM(rmpwotor'to HO I UNIQUE FEATURES -1. Stondasdlted Stoem Toibtno Ceatrifogel bmp owd Governor Soft, IndWdeoUy ew glneemd, onwWcS, end toiled ... tor MMEDlXrt SHIPMENT, X. Ho destrecHve codag tadeximilei. I. No Istontogo leakage. 4 Wide rengt met praswro governing. S. let* ef toctloo rodoces speed without trip. *ig; ovlemail* i " o roftoralfee. bod M*atk and mechanical batoece* 8 light weight roter-lara# bearing*: moth booring trouble* proclketly uknew*. 9. Pomp Gland Uofcoff piovMot adeqoait rodrcolatfen; eiclioe pmisaso eeb oe packing. , IS SJgtd oeo-plece (tool cadng plot heavy - theft ptvi ample ctoaroacot roodt lx eo * domogo from dry operation. II. Alt porto mode to gage and replaceable wjNwat fitting; ell parts fa dock at factory with woartog port* available from aaondos' docks. steam coeswmpllee. 7. Matched Pemp, Totblne end Oovsrtwrs IS. Pravod for notformonce aver g period of mare then twenty year* In service. Utorotom soot oe regiod: tpecinc propeiefi ee receipt ef operating dole. ^^e^orCefofg^^wee^HJewe^fcnHw^fjglnoer/ngW*^^ TheJ.S.COFFIN.JlL.EO.ENUEwlmu ;?ow.t 8. Auguit.-.l948 Ml