The National Radiator Copxpany Boilers, Radiators, Heating Systems un?

U ASSOCIATE COMMITTEES paralyzed birds were given different treatments, such as ultra-violet light, special <liel or the widely advertised iodine vermicide, but all were ineffective.

350 FRANK A.

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PULMONARY ASBESTOSISJ- X By J.

iNim k OkTl irtiCMCi TO Medical, A2SC March 13, 197* MCA "Meat Wrappers Asthma" (Polyvinyl Chloride) George Roush, Jr., HD A2SA cc J.

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352 Am.

Valoes The Smolensky Valve Co., Inc.

American Society of Heating and Ventilating Engineers Guide, 1924-25 American Society of Heating and Ventilating Engineers Guide, 1924-25 Fig. 55.

American Society of Heating and Ventilating Engineers Guide, 1925-26 Fig. 77 shows that 80 gallons water per minute are required.

D iam eter of Pipe C ubic F eet per M in u te American Society of Heating and Ventilating Engineers Guide, 1925-26 9 3 3 3 3 $g e. 3S S o o J S f HOW TO USE THE FRICTION CHART While this chart can be used to determine the friction of air which is flowing through ducts, it can also be used for determining the size of a pipe to handle a specified volume or the velocity that will be necessary.

American Society of Heating and Ventilating Engineers Guide, 1925-26 use'of a trapat the junction of the hood and branch pipe is permissible, provided it is not allowed' to. fill up completely.