THE WORLD'S ADVANCE 



Advertisers' Index 



Adams-Morgan Co 127 



Adelphia Hotel 131 



Alcemo Mfg. Co Second Cover 



All-Makes Typewriter Exchange Co 136 



Alpha Colbr Company, Inc 11 



American Battery Co A09 



American Civil Service School 11 



American College of Mechano-Therapy 11 



American Enameled Magnet Wire Co 125 



American-European Patent Offices, The 139 



American School of Correspondence 148 



American School of Music 5 



American Telephone and Telegraph Company . . 103 



American University 15 



Anti-Kamnia Chemical Co 16 



Armstrong Mfg. Co., The 145 



Arnold Co., James H 135 



Arnold Electric Co 110 



Audel & Co., Theo 9-131 



AuH-Ziegler Wireless Mfg. Co 127 



Automobile-Aviation Industries Corporation ... 5 



B. V. D. Company, The Back Cover 



Barber, H. L 4 



Barker, Prof. Anthony 135 



Barnes Mfg. Co Ill 



Barton, Hiram 135 



Baseball Magazine, The 138 



Beacon Miniature Electric Co 136 



Beetle & Maclean 130 



Blackstone Institute 16 



Bleadon-Dunn Co 110 



Bliss Electrical School 6 



Bodee's Dental Trade School 5 



Bonduaux & Knights 130 



Bowman & Co., A. W 127 



Branch School of Engineering, Joseph G 4 



Brandes, Inc., C 123 



Bright Star Battery Co 109 



Brooks, C. E 15 



Brown & Sharpe Mfg. Co 146 



Bunnell & Co., Inc., J. H 127 



Bureau of Mushroom Industry 135 



De Forest Radio Telephone & Telegraph Co 129 



Department of Signaling 117 



Detroit School of Lettering 6 



Dickson School of Memory 13 



Divine Water Motor Co Ill 



Dodge's Telegraph Ry. & Wireless Institute.. 7 



Dodge & Zuill ill 



Doron Bros. Electrical Co 125 



Duck Company, The Wm. B 129 



Duffle & Co., John S 143 



Eastern Radio Institute 11 



Edelman, P. E 6 



Edwin Cigar Co 135 



Electrical Experimenter 127 



Electrical Testing Laboratories, Inc 110 



Electric Novelty and Talking Machine Co 7 



Electric Shop 102 



Electroforce Pub. Co ; 4 



Electro Importing Co., The 126 



Elgin Wheel & Engine Co 116 



Evans Piano Co., F. 133 



Evans & Co., Victor J. . . . 140 



Evans School of Cartooning, The W. L 6 



Factory Sales Co 132 



Fallin & Co., John H 136 



Federal Sign System 108 



Franklin Institute 5 



Ft. Wayne Correspondence School 15 



G 



Galloway Company, William 116 



Gancher, P. E 136 



General Electric Company Third Cover 



General Lead Batteries Co 108 



Gerstner & Sons, H 146 



Gillis, L. N 139 



Goettmann, 0. J 113 



Goff, Daniel ~. . . 133 



Goodell-Pratt Company 147 



Goodyear Tire & Rubber Co., The 114 



Gray Motor Co 115 



Campbell Electric Co 113 



Capital Electric Co Ill 



Carleton Company, The . 114 



Chambers & Co., F. B 126 



Chandlee & Chandlee 138 



Chicago Apparatus Co 110 



Chicago Engineering Works 6 



Chicago Stock Gear Works 116 



Chicago Technical College 4 



Chief Draftsman Dobe ,. 7 



Clapp-Eastham Co 126 



Clement. Edward E 133 



Cleveland Armature Works . , 15 



Clock Company 131 



Colby's Telegraph School 124 



Coleman, Watson E 139 



Collier & Son, Inc., P. F 142 



Colorado Tire & Leather Co., The 114 



Columbia Graphophone Co 107 



Consulting Engineer 13 



Coyne National Trade Schools 17 



Crawford, Carl H 138 



Cremona Violin Shop 135 



Haller-Cunningham Electric Co 129 



Handel Elec. Co., The 127 



Hay wood Tire & Equipment Co 18 



Health Culture 17 



Heilman, Fred R Ill 



Highland Park College 17 



Hobart Bros. Co. . . . . 116 



Holtzer-Cabot Electric Co 125 



Hussman Stamp Co 13S 



I 



Ideal Aeroplane & Supply Co 115 



International Correspondence Schools 112-16-105 



International Textbook Co 3 



Interstate Electric Novelty Co 110 



Johnson & Sons, S. C 134 



Jones School of Telegraphy 13 



Dearborn Typewriter Exchange 136 



DeBetts, M 5 



Kendrlck & Davis Co 109 



Kent 133 



Kiograph Co., Inc 131 



12 



