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Jose Hoffay
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Individual
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Individual
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Publication of GB191404130ApublicationCriticalpatent/GB191404130A/en
4130. Hoffay, J. Nov. 10, 1913. Tool arms and mountings. - In a sound - box having a forked stylus lever which straddles the diaphragm, the bifurcations 1, 2 are held under stress by a screw 7 or other relatively rigid means. The arms may be drawn in as shown, or the may be strutted apart. In a modification, a single forked stylus lever operates two diaphragms, the connector passing through both.
GB191404130D1913-11-101913-11-10Improvements in Sound Boxes or the like for Gramophones, Phonographs and the like Machines.
ExpiredGB191404130A
(en)