Heating Systems Specialties Armstrong Machine Works ReprTM'`^ 851 Maple Street Three Rivers, Mich.

50 ASHRAE Guide And Data Book Hirschman-Pohle Co., Inc.

Etiology of Bladder Cancer Tomoyuki Shirai SINCE the surgeon Dr R ~ h n ' ~f'irst suggested in 1895 a role for certain chemicals in the etiology of bladder cancer. this is historically the neoplastic disease most strongly linked to occupational and environmental exposure to chemicals.

INDUSTRIAL SAFETY EQUIPMENT ASSOCIATION (' 1901 North Moore Street Arlington, Virginia 22209 Safety Wearing Apparel Group Meeting November l6, 1978 Lakeview Inn and Country Club Morgantown, West Virginia MINUTES Listed below are the minutes of the Safety Wearing Apparel Group, Indus trial Safety Equipment Association meeting which was held on Thursday, November 16, 1978 at the Lakeview Inn, Morgantown, West Virginia.

3Y (I&M) 1A5-I + 2/ 9-20-74 TH6 v*iww\^a v'JMfArn POWER GENERATION GROUP INDUSTRIAL * MARINE DIVISION SPECIFICATIONS FOR INSULATION MATERIALS MATERIALS (Cont'd) 13M Vendor is to list for eaoh insulation item end part thereof, the square feet area of component involved and the extra per cent of quantity included for breakage in shipment, handling and erection. 14M Use of all types of medium temperature block approved by B4W Co. is permitted where medium temperature block is called for. 15M We require on the 15th and last of eaoh month a report showing percentage of material shipped to the job site to date.

t Medical News January IS. 1900 Experts cite paralysis of asbestos * a#: :x ::jcy **a*?.

:t' 22538 Federal Register Vol. 51, No. 119 Friday.

W.

FOSECO, ISMG.

ONE PUMPworking on the job is wctitfadMtn in the lrepair shop i The most notable point about SICB-BATH Screw Pumps and Gearex Pumps is their relative freedom from maintenance, THERE is no mystery about the ability of Sier-Bath Pumps to stand up under the most trying conditions.

SIBR-BATH Screw Pumps and Cearex Pumps are made in a plant keyed to precision methods of gear manufacturing.

HERE'S WHAT IS AVAILABLE: FIT YOUR REQUIREMENTS tiro--v * TYPES--Square w ma4 lap llufti. b1ii4 r tud*. 9tM Daaqt nigutw or mil collar. 0 DERATION--Band wheel paekt ifaeave, UmI pocket ibim.

ELIMINATE MAINTENANCE PROBLi with Ingersoll-Rand PUMPS Now available for general hydraulic service\ heads to 300 ft.

Youngstown in Chicago 1 he Youngstown Sheet and Tube Company ranks sixth among the steel producers of the United States, with a production capacity of 5,520,000 tons of ingots per year and a well-diversified line of products.

New York Air Valve Corporation 476-478 Broome Street New York THE "AlR-OUT" LINE Syphon thermostatic non-adjustable ` `Air-Out " valves, for eliminating air from steam radiators, operate by the expansion of a phosphor bronze diaphragm, soldered on the bottom of a brass float, containing a volatile liquid.