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The Torrington Mfg. Co. Air System Equipment Fans and Blowers Airistocrat "Standard" Series Pats. 8.078,882 and 8,021,707 8-Blade Airistocrat "Y" Series AIRISTOCRAT Quiet Propel ler Fan Blades are widely recognized for their all-around excellent performance. The unique, patented construction em bodies entirely new principles in the art of fan design--produces a blade unsurpassed for quiet operation, rugged construction and attractive appearance. Every Air istocrat unit is carefully built and the blades are hand gauged for correct contour and alignment. Statically balanced, these blades deliver full air volume with a minimum of noise. Aluminum alloy blades and steel spiders are standard except where otherwise noted. Rotation is clock wise only (facing air delivery side). Available in the following finishes: 1. Plain--no finish on blades, spiders or hubs. 2. Blades with no finish; spider and hub with cadmium plate or black lacquer. 3. All black lacquered, with or without center button. 4. Buff and lacquered blades, black lacquered spider and hub, with or without center button. Catalog gives detailed dimensions and guaranteed per formance curves recorded under NEMA and NAFM code tests at various speeds for each of the Airistocrat models described below. "Standard" Series--Has blades mounted on a steel spider. Sturdy, attrac tive steel or aluminum blades which have withstood extreme laboratory breakdown tests. Sizes 8 in., 10 in., 12 in., 14 in., 16 in., 18 in. and 20 in. diameters in a variety of pitches to meet every need. 4-Blade Aristocrat Pressure Fan "P" Series Three Blade "Y" Series--The design of this blade is the result of two years of laboratory experiment to produce a better air circulator blade. At recom mended speed these blades produce a high velocity air stream effecting deep penetra tion with unusual quietness. Sizes 10, 12, 14, 16, 18, 20, 24 in. and 30 in. diameters, steel or aluminum blades. Pressure "P" Series--Similar in con struction to "Standard" Series but with blades especially designed for higher pres sures. Sizes 10 in., 12 in., 14 in., 16 in. and 18 in. diameters. 4-Blade Aristocrat Pressure Fan "U" Series (also made in two blade model) Pressure "U" Series--Two and four, blade models of steel designed for pressure operation. Sizes 20 in., 22 in., 24 in., 26 in., 28 in. and 30 in. diameters. 24 in. and 30 in. sizes suitable for attic fans. Bulletin gives complete specifications and ratings.' 912 The Torrington Mfg. Co. Air System Equipment Fans and Blowers AIRISTOCRAT "A" Series Attic Fan Blades are the result of extensive study and experiment to produce blades having extraordinary efficiency, to sell at lower than average prices. LOW COST is pos sible because tools are interchangeable for production of either 2, 3 or 4 blade models in any diameters from 24 in. to 48 in. inclusive (sizes 24 in., 30 in., 36 in., 42 in. and 48 in. are standard). Construction approved only after severe breakdown tests. The extremely high EFFICIENCY is attained by the application of correct principles of design. Blades, spiders and hubs are of steel. Available in the follow ing finishes: 1. Plain. 2. Aluminum lac quered blades, black lacquered spider and hub. 3. All one color lacquer. Bulletin gives detailed dimensions and specifica tions; also performance data. 4-Blade Airistocrat Attic Fan "A" Series (ofco made in 2 and 5 blade models) 3-Blade "One-Piece" Series Propellor Fan--An attractive, inexpensive one-piece blade incorporating the Airisto crat features for quiet operation. Avail able in both steel and aluminum. Sizes 8 in. and 10 in. diameters. 4-Blade "One-Piece" Series Pro peller Fan--An exceptionally rigid model blanked from one piece of metal with four wide, blades. Quieter than narrow blade types. Made in both steel and aluminum. Clockwise rotation only (viewing air de livery side). Sizes 8 in., 9 in., 10 in. and 12 in. diameters. Available in the follow ing finishes: 1. Plain. 2. Lacquered. 3. Nickel or cadmium plated (steel only). A iristocrai 8-Blade "One Piece" Series AUTOCRAT Fan Blades--For auto heaters, windshield defrosters, etc. Have been standard ever since these devices were first marketed. Made in sizes 3 in., 4.in., 4^3 in., 5 in., in., in., 6 in., 6J^ in., all four blades, also 7 in. 5-blade, in one piece of cold rolled steel or aluminum with brass hubs, com plete with set screw. Yi in. bore is stan dard. Either clockwise or counter clock wise rotation (expressed when looking at air delivery side of fan). White nickel is standard finish for steel-blades. Bulletin gives complete specifications and ratings. 913 4-Blade "One Piece" Aristocrat Fan A ulocrai Fart Blade