$ Mm 4. 2Mt fr.

COZ j.w. ftoac*TLT0..

Ur.

HtiBB-BOi8320 FOUNDATION* This news-letter is issued monthly to member companies and trade associations affiliated with Air Hygiene Foundation.

.* .

Dash Em ber) (CC 3500) February 20, 1943 00006662 I I II t III H ..........

THE LINK-GRATE STACKS UP THESE II ADVANTAGES Thorough combustion -- no smoke nuisance 0 Keeps operating costs low ' o Pormits use of low-cost fuel o Quickly responds 1o lood changes Assures necurote control o!

The Brass Tacks "Approach It to get down to fundamental*.

' mlo WOO lb In four model*, TkCT hydnulfo K(tfn tnd bw^..^ drive inclloQ uiUt are baufrtj through *erite-wound electric JijSSj All eontroU, lure iped, IcJSjS reverse, railing and lowering, hpjftSt, and key tHteh. are mourned Iq \Dg*hadl* bewL Therefore UltW '^3 can he raiaed or lowered *hcntri^^5 motion without moving it, S&J* handle.

I'm: 1948 Listing of Typical Central-Statl b/!

f 630pit, 750F trpdvtfof Uo^bSOfiOo 2SU.: D""g aV:,,/, . m,u v . machines use da motors.

The almpleat. aoreat meobaaUat over devlaed for holding wheels to abaft*.

SEARCHLIGHT SECTION 314 SEARCHLIGHT SECTIOH SLIP RING MOTORS t*t. 400 100 ISO ISO ISO 100 100 100 15 75 75 75 10 40 flip rliq Matan tefcolli Mete Up* Ipserf DtutlpUaa ci.

TECHNICAL BRIEFS S Offals la you on: GAS TURBINES , ,, latest engineering developments ter busy power men FUELS AND FIRING For shaft speeds to 1750 RPM Johns-Manville Centripac seals better Flume con bo itabillicd by. swirl vonn or |et ImpIngcmM around tKa tube of gai turbine combuttor ihown et (rft Start-up data in graph shown above cover* 3-fn(IUon U] experience on reheat boilers with no ipeclal diiflcvlllot ] Let's Look at Gas Turbine Combustion Problems Some .Practical Aspects of Combustion in the Oat Turbine.

AMERICAN STEEL FOUNDRIES PRUDENTIAL PLAZA CHICAGO.