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Vol. 5, No. 4 USTRIAL MEDICINE Page 179 Depmion 01 umber Tuner Angie 5S9901. 591573..

CURRICULUM VITAE NAME: DATE OF BIRTH: PLACE OF BIRTH: CITIZENSHIP: EDUCATION: Hilton Cecil Lewinsohn 7th November, 1928 Wolmaransstad, South Africa British , -KSntIffs I EXHIBIT I1 UC-1275 Wolmaransstad Primary School Jeppe High School for Boys, Johannesburg, South Africa University of the Witwatersrand Medical School QUALIFICATIONS: - M.

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MOTORS AT HOPPER PAPER COMPANY HOPPER PAPER COMPANY, located at Taylorville, Illinois--in the Abraham Lincoln country--has been making fine grades of paper since 1922, when the company took over a plant and paper machine which it has been enlarging and improving ever since.

236 Air System Equipment Bm{ VnlU*t< ENN VENTILATOR CO., Goodman above Allegheny Ave., Philadelphia 40, Pa.

Rockwell Number F.M.S.I.

42 Am.

American Society of Heating and Ventilating Engineers Guide, 1924-25 In order to illustrate just how important this iteni of air temperature at the registers really is, the results of three tests on the piped furnace plant Fig. 47 are presented in Fig. 49 and analyzed; Absolutely no changes were made in the furnace or plant during these tests.

r American Society of Heating and Ventilating Engineers Guide, 1925-26 radiators,, to facilitate repairs, and the lock-shield valves may prove invaluable in equalizing with great nicety the circulation.

American Society of Heating and Ventilating Engineers Guide, 1926-27 5.

American Society of Heating and Ventilating Engineers Guide, 1928 from one-fourth to two inches or more of water pressure to overcome the air friction.

American Society of Heating and Ventilating Engineers Guide, 1929 THE STACK The function of the stack under natural draft operation is threefold: (1) to eliminate the waste gases; (2) to circulate the hot gases through the heating surfaces of the boiler and (3) to draw the air, necessary for com bustion, through the fuel bed.

American Society of Heating and Ventilating Engineers Guide, 1929 been developed systems which differ in their construction and arrange ment of piping, pumping and tank equipment.

American Society of Heating and Ventilating Engineers Guide, 1929 Chapter XIV--Heating with Gas possible to eliminate on even the smallest job three engineers and coalpassers, substituting therefor about a half-hour's supervision of a build ing supervisor or porter.