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Motors Baldor Electric Co. General offices: 4370 Duncan Avenue, St. Louis, Mo. Single Phase PolyPhase Direct Current New York14 East 17th St. Chicago................ .325 W. Huron St. Detroit___ ,,1034 St. Aubin Buffalo22 Kenton Rd. Boston31 Irvington Milwaukee__J331 North 50th St. Philadelphia____ 2019 Rittenhouse MOTORS 1/30 to 15 Hp Pittsburgh____ ___1438 Park Blvd. Minneapolis_______Vendome Hotel Grand Rapids. 257 Eastern Ave.S.E \ Kansas Citt..........2004 Grand Ave. The Baldor Electric Company has pio neered and developed many, of the impor tant improvements in motor design for heating, ventilating and air conditioning service. For 15 years Baldor has specialized in designing and manufacturing quality built motors exclusively and the phrase "A Better Motor'' is not merely an advertising slogan but a definite manufacturing policy, rigidly adhered to. Every Baldor motor is specially engineered for the particular service intended and each is fully guar anteed. UNIT HEATER MOTOR A complete line of types and sizes for all unit heater applications. Single phase, split phase and D.C. Constant, 2-speed and 4-speed quiet, vibrationless operation. 1 shot lubrication. All with inter-change able frames. Solid, cushion base or ring mounting. VARIABLE SPEED MOTOR For Fans and Blowers 5-speed polyphase motors for blower ventilating and cooling systems. Speeds are regulated by simple, durable, wellengineered controller. At high speed, the motor delivers full load. The lower speeds will be approximately 50, 65, 80 and 90 per cent of full load speed. Many of the famous air conditioned trains are equipped with Baldor Motors. Oversize commutator and dual brushes totally enclosed in dust-proof housing. FEATURES OF BALDOR MOTORS Each motor dynamically balanced. Baldor Motors meet N.E.M.A. standards Sine wave slot construction. ^ for starting currents, efficiency and Interchangeable frames. power factor. Solid, cushion base or ring mounting. Approved by central stations. Wool packed sleeve bearings. . No radio interference. High grade steel ball bearings. The BALDOR Line Includes: Single Phase--Repulsion Induction..,--........................................ M to 1M Hp Capacitor Type....................................................................Mo to 1J^ Hp Split Phase............................... :.................... ....................... Mo to M Hp Direct Current....... ................ ........................................................................ M-to 3 Hp Polyphase--Squirrel Cage...................... -...................................................... M to 15 Hp Double Squirrel Cage................................................................. 3 to 15 Hp Unit Heater Motors--All Types.................. ............ .................................. Mo to K Hp Standard Horizontal and Vertical Motors for all applications. Ball Bearings in all sizes. Sleeve bearing up to 2 Hp. Bulletins giving complete'information and full technical data sent upon request. 966 Century Electric Company 1806 Pine Street, St. Louis, Mo. Offices and Stock Points In Principal Cities Motors Century Mvliitpeed Squirrel Cage Motore M TO 200 HORSE POWER Especially adapted to meet the variable of constant speed requirements of Fans, Ventilators, Refrigerators and similar ap paratus where adjustable speed change is a requirement .... Built for 2, 3, 4 or more speeds--automatic, push button or manual control.... Wide or narrow speed ranges, such as 1800/1200 or 1800/600 down to 900/450 r.p.m. (60 cycle) .... Conventional open or splash proof type . . . .Special speed combinations are also available .... Ball Bearings or phosphor bronze sleeve bearings. 0 Century Slip Ring Induction Potypkaee Motore M TO 250 HORSE POWER Desirable for installations where highstarting torque is required and lowstarting current is desirable or where heavy inertia loads increase the time required to bring the load up to full-speed. This type of motor is adapted to two classes of service--constant speed or adjustable varying speed. The only dif ference between the two installations is the secondary control equipment. Ball bearings or phosphor bronze sleeve bearings. Century Direct Current Motore Century Squirrcl^Cage Induction S-Phate Motore M TO 600 HORSE POWER Specially suited for all heavy duty, general purpose application--Stokers, Pumps, Compressors and Similar Equipment. Extremely rigid in construction with liberal mechanical strength and the ability to withstand the shock, pounding and stress of gear, chain or belt drive .... Refined cast-iron frames and end brackets .... Armature commercially indestruct ible .... Available in standard of totally enclosed fan cooled types .... Ball bear ings or phosphor bronze sleeve bearing. M TO 150 HORSE POWER Built with shunt or compound wind ings, for all commercial voltages . . . . Open, semi-enclosed, fully enclosed ratings .... Phosphor bronze sleeve bearings with ring oilers, or grease lubricated ball bearings; aiso vertical ball bearing types .... Constant, variable and adjustablespeed types .... The commutator, the most important part of a Direct Current Motor, is made up of hard drawn copper bars, insulated with amber mica between the bars and mica V rings between the bars and the steel shell used to damp them together: ALSO Blower Motors. Unit Heater Motors. Cushion Mounted Motors. Refrigeration Motors. Vertical Motors. 967