The talking machine world (Apr-June 1921)

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April 15, 1921 THE TALKING MACHINE WORLD 113 Interchangeability ^y^HE spring drums in the Stephenson Pre^ cision-Made Motor are identical and interchangeable. A drum, assembled with its spring, is a complete unit. Stephenson construction eliminates the violent jumping of springs, which is the usual cause for spring breakage; but should a spring break from any cause whatsoever, it is not removed from the drum but rather a new drum unit is substituted. No adjustments are disturbed, nor need the motor be removed from the table board. Spring Drum interchangeability is an exclusive feature with the Stephenson PrecisionMade Motor. STEPHENSON DIVISION DE CAMP C SI.OAN INC One Hundred and Seventy Pennington Street JS(etoarIi^,J\eia Jersey MANUFACTURERS OF THE STEPHENSON PRECISION-MADE MOTORS AND TONE ARM AND SOUND BOX