NEG.NO.

Individual shop inspection is required for minia ture boilers in the same manner as for power boilers.

1 HOW DIFFICULT IS YOUR PROBLEM OF Flvy-asn COLLECTION?

No More Flyash .

Hi/Jr gold and platinum spinneret might be ithe heart of the process of spinning or ; viscose into rayonfilament.

Mt tobe neust isnsstoara or raum fohmaiy 3, 1928 u omczu ADDITIC TO SfiX STAU SABItAHT COSH >.8 adTophetedfolblyowthinegPaudbdliictioHneatloththCeouSnocwilfoartkASlbtaantey,SJaanniutaarryy 3C0o,de1w92a5ei ethffCeerhceattpotKearernTcheiwl1ro,ef1g9tuh2lea8t,iSoeannndittoaterbyreeCkaenddoewaanlaafohelelrroeewbgayutlmateionnded16b, ytoadtdainkge lPfseCihalERaldUielnlgTigunObloaPcetmeUitoanBantodLieaoI1Cnn6itxePn.mR, sOtalaHePdfEIeChfB,oeTIBrsrBeaegba,.CyleTedpxSIOorioeoaphoOatinabFttlaioeTtle2nTdoreBe.rrAefBdi.nT9iHasotcTrrhiLiebeLeuE,aAtlibeDounoIlBkrodCefOtiateBettCirtorHibanBeneStUthioJoyBrnDl haeonherndoadsolorttihehssatirnepoiagpfbrluchtihhoteiearopotnluSionrtnpoaoscfteaoottnohoetetafroiranBeroeefwdofthorYyKrhlohuaravalklaee.i ubbceneoednncoeoroannpestppxtrroauoteeoviddeedlftoobeyirrpaortuohfmweoreectnaeotaxuetpnhoeieoerismatlooaenlnepeterarlsoofna

September 6, 1929 Mr.

April 4,1929 Dr.

* I n t e r -Of f ic e Co r r e s po n d e n c e Et h y l Ga s o l i n e Co r po r a t i o n 2 5 BROADWAY Ne w Yo r k August 9 , 1928.

lay 6, 1929 Mr* E. \* Webb, Ethyl Gasoline Corp., 25 Broadway, Hew York City* ' Dear Mr.

November 15, 1928 Mr.

sm 14. l-r<i li;: Jr- LetK.i i-n_e.:-, *.i. -< i' 19S5 ---- No. 6.

Fig. 71 Fig. 74 142 Fig. 75 AMERICAN SOCIETY OF HEATING & YENTILATIN6ENGINEERS GGEPE1923 Journal, March, 1921.

Roll of Membership STOLTENBERG, Thomas R. (1922).

American Society of Heating and Ventilating Engineers Guide, 1924-25 These .values are now represented on the chart by a %-in. vertical line drawn in the center ofeach of the respective columns.