B&W A practical, long-proved solution to rising construc tion costs, may be found in the B&W DividedFurnace Boiler.

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3X1 ES'VWIA.lSr33 Ej HE.A.T G--A..S3 bulletin 1249-D 28501 Secondary air on each side of burner port 12 sizes 405,006 to 2,250,000 Btuh Input for natural, mixed, manufactured or propane gases natural or induced draft 7:\'CVT A OcS.Gr-1 Mlv!

AMERICAN STANDARD KEWANEE cmijiprMrjT BOILER UNITS W^tSf:tyPe a truly versatile ' W!

MoreJFREEJUUt|| nmn ,, 47jm.^1 Fold-out page shows operation... construction details...special types pomp feel oil*, trade oil*, ccdateikt, dlitfllolsi, tt.

.......... in other words, maintained efficiency has always been, and will continue to be, a fundamentat virtue of all Warren Pumps.

air and overfire excess air.

TO BURN WOOD continued the stack as flyash.

Mote EQUIPMENT NEWS Constant Support Hanger 417 Model R hanger* permit 10% In* eiecse er 10% decrease in their load by field adjustment of a single boll, without Impairing their constancy.

Tit Gttrp SsU Mtlth Cr, far., FhUJtlfklt, fra*tjUtti* QtujW W Gwtmtti it Tit Mi"* Orptftlitn hanks to single control teamwork between owner* Tmanagement on one hand, and engineer-constructor on the other, the new George Sail Smeitiog Plant io Philadelphia produces non-ferrous metals and alloys from scrap metal at higher speed aod with greater uniformity and purity than ever before.

Now, (or (he first time, you can have all the benefits of standardising on a truly modern method of mounting wheels on shafts... through the famous Dodge patented Taper-Lock design.

$ CONTINUED y i % Tips on Buying and Making Power SKINNER ENGINE COMPANY Etta, Pennsylvania Manufacturers of High-Economy Slaem Engines Exclusively Soles Representatives In AH Principal Cities Today's decision to make or buy power, or do some of both, sets the mold for your future operating costs.

This True Ball Joint Makes the Diftcronre Dan Unions are leakproof because they're precision-machined to a true ball joint... then spherically ground for wide, true-bearing surfaces.