United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 577
r r G. OULTON, C. ABLETT & W. E. LIGHTFOOT.SPEED REGULATING DEVICE FOB SOUND BEC0EDIN6 AND REPE0DUCIN6 MA0HINE8. APPLIOATIOB FILED FEB. 23, 1909. 964,684. FIG. I Patented July 19,1910. … --•-uuW- ^VXwwK* fflll1l]ll|J)lll>-jg FIG 2
Phonograph · Patents
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