Document mqmLBLRr1EkpOKVb6v7LXx580

Air System Equipment co^fp^ Waterloo Register Co. Inc. P.O. Box 72 Waterloo, Iowa "Since 1902" 2V COMMERCIAL TYPE GRILLE for Long and Short Thro#. Each blade is individually adjustable to provide four way deflection at degree desired. Same style available as Regis ters with MULTI-SHUTTER or OP- 3H RETURN AIR GRILLE Fins spaced on % in. centers for fixed directional supply or return at 45 deg or 0 deg deflection. Same style available as Registers with MULTI-SHUTTER or OPPOSED BLADE dampers. SILENT FLOW TEARDROP LOUVRE DESIGN This UNIQUE DESIGN provides unob trusive diffusion. SUFFICIENT SUR FACE is provided to turn high velocity air without turbulence. MULTI-SHUTTER or OPPOSED BLADE DAMPERS Either type available with all Waterloo supply and return registers. MULTI* SHUTTER provides easy and accurate control of air volume for frequent one way adjustments. OPPOSED BLADE action allows uniform distribution of air over entire grille face. TECHNI-LOUVRE VOLUME CONTROLLER Suitable for installation either in the duct or junction of the duct and a branch take-off. Either half of each blade is adjustable independent of the other half. V-shape fins are spot-welded perma nently into frame at an angle whico makes it impossible to see througnAvailable with flange both sides, one side or channel only. 1448 Air System Equipment D^nHMd2Snes; Eigen Manufacturing Corporation 41-34 39th St., Long Island City 4, N. Y. ELGEN SILENT DUCT--Pre-assembled metal and material for flexible duct con nectors. ELGEN ALL-TITE VANE RUNNERS--for making turning vanes for square elbows. ELGEN DAMPERSET--for damper control in blower and exhaust systems. ELGEN SILENT DUCT Factory-assembled metal and material. Delivered in dispenser carton . . . pulls out flat, ready to use. Union made. Available in 24 or 26-gauge galvanized steel . Fastened to fire, water and mildewresistant UL approved canvas (Gout. Spec. MIL-D-I08G0) or to JohnsManville asbestos (wire-filled, if desired) or to U.S. Rubber Co. Neoprene-coated fiber glass. Delivered in 100-ft (approx.) coils; 50-ft coils with asbestos available. ELGEN ALL-TITE VANE RUNNER Groove Type for single blades Button Type for single and double blades Quick, inexpensive method of making turning vanes. 24-gauge galvanized steel. Eliminates notching, punching, etc. No special tools needed. Is screwed into elbow . . . absolutely Delivered in 8-ft strips--20 rigid and rattleproof. . bundle. Union made. per ELGEN DAMPERSET for multi-blade dampers--parallel or opposed Licensed by Minneapolis-Honeywell. Quick and easy to assemble. Precision-machined--cadmium plated. Bronze self-oiling bearings. Packed in single boxes or bulk 100's. All Eigen products engineer-approved; available at leading jobbers in V. S., Canada, Hawaiian Islands. Descriptive literature on request. 1449