American Society of Heating and Ventilating Engineers Guide, 1929 at the same time, the velocity in the main might easily be lowered to the point where it would not be sufficient to carry the material from the machines still in operation, and thus result in clogging the pipes.

American Society of Heating and Ventilating Engineers Guide, 1929 1902 President_____ _________ _ 1st Vice-Presidents _A.

Healers, Unit 2441-45 CHARLOTTE STREET KANSAS CITY,MO.

Air System Equipment Sheet Metal and Tubular Products Bethlehem Steel Company General Offices: Bethlehem, Pa.

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Air System Equipment ^/a^Sens CORPORATION 25000 Miles Rdi Cleveland 28, Ohio THE FILTER ENGINEERS Representatives in all principal cities Since 1925, Air-Maze engineered air filtration has been successfully applied to every phase of - the heating and- ventilating industry.

PROCEEDINGS OF THE National Safety Council TWELFTH ANNUAL SAFETY CONGRESS Held at the Statler Hotel, Buffalo, N.

178 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE welfare measures against a background of ideas which are still within the memory of workers, even if they are no longer adhered to.

466 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE The data of table 2 are plotted in chart 1 for several values.

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PLAINTIFF'S EXHIBIT 3A/M OCCVPATIOXAL CAXCER Of the Urixary Bladder in Dyestuffs Operatives axd of the Luxe. tx Asbestos Textile Workers axd Iron-Ore Mixers CEORGIAXA M.

How U Slipring-Motor Resistance Calculated?

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