IFHIf APPLICATION OF ARMSTRONG HUMIDIFIERS IN TYPICAL AIR HANDLING SYSTEMS ' `T VENTILATION SYSTEM WITH rig. io-i primary " HUMIDIFICATION I; 100X OSA HEAT-VENT SYSTEM F,g*WITH PRIMARY 6 BOOSTER HUMMIFtCATION 100% OSA HEAT- VENT SYSTEM WITH Fig. 16-3 SEQUENCE CONTROL ON PRIMARY HUMIDIFICATION 100% OSA HEAT-VENT SYSTEM Fig. 16-4 mTM primary HUMIDIFICATION.

c 114 ASHRAE Guide And Data Book Frigid Coil INCORPORATED Manufacturers of Refrigeration and dir Conditioning Equipment 9800 E.

202 One new line completely changes the picture ASRRAE Guide And Data Book lli Sentry Compressors, Condensing Doits, Uqtwl Cfcffler--Available in 16 sizes in capacities from 7% through 160 tons.

25 Winding.

322 Ticemtfsecond Congress--National Safety Council 1 WTul shall be done with die sorixrt known to possess dusty tangs?

142 Tzcnity-fifth National Safety Congress Recent study and dmlopmtflt of steel scaffolding has made it possible for all industrial plants to avail themsehra of The regular maintenance crew about the plant can very readily erect h.

MEMBER?

liiius Mnan industry aiul tli* governmental industrial hygiene facil ities throughout Ibe romilry have Inni good.

PART J, Sec.

JS g . i"8 * S0$*1<zQ*<S 8J|S s2ji * sgos v~ ors- > iCaZStmyu '"v 8o2 v ADDRESS OF WELCOME DOCTOR VORWALD: - Ladies and Gentlemen: ARTHUR J.

CERTIFIED TRUE COPY ROM OTIS HISTORICAL ARCHIVES /' NATIONAL MUSEUM Of HEALTH AND ^OJC'N- ARMED EORCES INSTITUTE Of PATHOLOGY ,v ARCHIVIST TAKEN FROM PACE 38, BL DOCTOR IXPrCHL'Hi Mr.

213. .

230.

DISCUSSIONALi - PROCEDURES ASP POLICIES Mrs.

13818 RULES AND REGULATIONS <b) Framework: (l) Minimum dimensions of material for the framework of all guards except as noted in subparagraph (S) of this paragraph shall be angle iron 1 inch x 1 inch x % inch, metal pipe of % inch in side diameter or metal construction of equivalent strength. <21 All guards shall be rigidly braced every 3 feet or fractional part of tlielr height to some fixed part of machinery or building structure.