i 11 :i i i i i Equipment and Design Aids Roundup Presenting a condensation of one of the most useful and popular features the year-round.

Radiator Hangers Healy-Ruff Company Minneapolis, Minn.

_ ___ ___ _ U.lW jJ.HU'K, FROM BOILER AND PROCESS WATERS THIS NEW LOW-COST WAY!

Both Popular Types Wire-inserted woven asbestos and spiral wound metal-asbestos--for manholes, handholes and tube caps of all makes of stationary and marine boilers, water walls, economizers and other boiler accessories.

>7- Z-*1-' S2T2L. . iH.

Wggiie'd ^monthly in the interest 'b accident prevention and 'industrial health ' -ontentsfor NOVEMBER, 1936 Volume 34.

THIS CATALOG OF GARLOCK PACKINGS AND OTHER GARLOCK PRODUCTS IS PRESENTED TO----------------------------------------------------------------------------------OF _---------------------------------------- BY--------------------------------------------------- OF THE GARLOCK PACKING COMPANY GARLOCK PACKINGS AND OTHER GARLOCK PRODUCTS THIS GARLOCK TRADE-MARK, WHICH APPEARS ON EVERY PACKAGE OF GARLOCK PACKING, HAS BEEN REGISTERED BY THE GARLOCK PACKING COMPANY IN THE COUNTRIES LISTED BELOW.

Temperature Regulation Honeywell Heating Specialties Company Wabash, Indiana Manufacturers of Honeywell Temperature Regulators for Residential or other Heating Plants--Hot Water, Vapor, Steam, or Hot Air.

Roll of Membership * KING, Thomson (1923).

, American Society of Heating and Ventilating Engineers Guide, 1926-27 Table 32.

American Society of Heating and Ventilating Engineers Guide, 1926-27 STANDARD FORM For Reporting Results of Low-Pressure Steam-Heating Boiler Tests RESULTS Of a Test on a Low-Pressure Boiler Date of Test___......... ................................................................................................... ....

*2<<_ / t LJ~ (ChJ iG , (07 lA/<L uO<L4Jc~ <Z/r<iJ> _____ 1^/aJ<L CrtCAt . u; %,&.- Fc A- t T<<siX (Lt<cA M 4~ u kixrr 7 , /r> ^ *4-. - / S ^c.

Air Filters Spray Engineering Company 60 High Street BOSTON, MASSACHUSETTS SPRACO AIR FILTERS Spraco Air Filters constitute the most efficient device- for removing from the ventilating air, dust, dirt, and other foreign matter.

Fans and Ventilating Equipment The New York Blower Company 2254 S.