American Society of Heating and Ventilating Engineers Guide, 1926-27 the stack will not be excessive and of protecting the pilot flame against back-drafts.

American Society of Heating and Ventilating Engineers Guide, 1926-27' American Society of Heating and Ventilating Engineers Guide, 1926-27 per degree temperature difference per hour (Curve 1, Trans.

American Society 0/ Heating and Ventilating Engineers Guide, 1929 Vent to Atmosphere Run to Air above Roof" 1blind Nipple- ` Overflow Pump Control Valve hOramY^' unobstructed Sham toBoilerFeedPumf JobaiterFeedPump, Discharge from Pump to Tank Steam to ^.Vacuum Pump Globe Valve G/obe^1 Valve Lubricator', Globe lhive' BaiterFeedPump r ui .

American Society of Heating and Ventilating Engineers Guide, 1929 condition which is later apt to restrict the normal shrinkage of the interior and cause internal rupture and distortion.

American Society of Heating and Ventilating Engineers Guide, 1929 BILYEU, William F., (1927), Sales Mgr..

American Society of Heating and Ventilating Engineers Guide, iqjj''; Chapter 15--Air Pollution Fly-Ash, Cinders The term fly-ash is usually applied to the extremely small particles ash, and the term cinder to the larger particles of coke and ash which 1 - discharged with the gases of combustion from burning coal.

jLj llllsfi MoittOrgruJlim ** on acltnowladgmant that a Bill of Lading hat boon ittvod and it pot tho Original Bill moiHUranyUlir of Lading, nor a copy or duplicate, covering tho property named heroin, and it intended tolely for filing or record.

1 down there in the 1920s, 1930s in horrible Page 271 Page 273 1 company, isn't there something out about asbestos, 2 conditions. 2 isn't asbestos dangerous?

v-v" . '* April 28, 1927 I Dr.

CANCERS OF THE RESPIRATORY SYSTEM 441 radioactive substances, more extensive and thorough studies of the radioactive conditions prevailing within the mines and in the surrounding regions were made.

National Ajtonnotive ftxta Association In 1925, Ralph Boozer and Don Test met in Detroit with a number of other independent automotive parts distrib utors in an effort to set up an organization which could establish standards of distribution and business guidelines for the emerging replace ment parts industry.

546 G.

J CARLISLE OEHAY, JR. (1922 19911 GARY D.

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I n t er -Ok f i c e Co r r espo n d en c e Et h y l Ga so l i n e Co r po r a t i o n 25 BROADWAY N e w Y o r k October 17, 1928.