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DICKINSON JOSEPH HUNTER: [en] Improvements in Adjustable Tracker Boards for Automatic Musical Instruments.. DICKINSON JOSEPH HUNTER February 1, 1910: GB190902378-A

[en] 2378. Dickinson, J. H. Feb. 1. Tracker-bars.-In an automatic musical instrument, the tracker-bar is provided with two series of ducts for tune-sheets of different compasses, and sets of pipes, such as 11, 12, connect these ducts to two series of chambers 13, one series of which may be put into ...


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Dickinson Joseph Hunter: Improvements in or relating to expression devices for automatic musical instruments.. Dickinson Joseph Hunter January 24, 1917: GB100037-A

100,037. Dickinson, J. H. Jan. 29, 1915, [Convention date]. Expression-controlling.-Automatic musical instruments have their sound-controlling valves or expression means operated through a flexible transmitter retracted, when not in use, into a compartment in the casing of the instrument. The device ...


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Dickinson Joseph Hunter: Improvements in or relating to the sound control valves of talking machines, phonographs or the like.. Dickinson Joseph Hunter February 6, 1917: GB103981-A

103,981. Dickinson, J. H. Jan. 6, 1916. Sound magnifying and directing appliances. -In a phonograph or like talking-machine. the sound-control valve is connected to a movable member adapted to be operated by either of two independently - movable members. In the construction shown, the valve is conne ...


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Dickinson Joseph Hunter: Improvements in or relating to sound control valves for talking machines, phonographs or the like.. Dickinson Joseph Hunter February 6, 1917: GB103982-A

103,982. Dickinson, J. H. Jan. 6, 1916. Seats, valve members, and faces. - In soundcontrol valves for phono graphs &c. having a flexible throat 24 and plug 25, one or more pockets 10 are formed in the plug to prevent abrupt changes when the valve is operated. The pockets are arranged so that, when t ...


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Dickinson Joseph Hunter: Improvements in or relating to phonographs and like machines.. Dickinson Joseph Hunter February 6, 1917: GB103950-A

103,950. Dickinson, J. H. Jan 6, 1916. Sound magnifying and directing appliances. - In a phonograph or like talking-machine the turntable brake and the soundcontrol valve are operated through elongated flexible members from a single handle containing a pair of control elements. Fig. 1 shows a sectio ...


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DICKINSON JOSEPH HUNTER: [en] Improvements in Pneumatic Playing Attachments for Musical Instruments.. DICKINSON JOSEPH HUNTER August 5, 1909: GB190825942-A

[en] 25,942. Dickinson, J. H. Dec. 1. Automatic musical instruments.-In a pneumatic player for musical instruments, the valve of the expression-regulating pneumatic is controlled by an attachment to the tellows. Fig. 1 is a section through the bellows and the regulating-pneumatic, and Fig. 2 is anot ...


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DICKINSON JOSEPH HUNTER: [en] Improvements in Air Pressure Regulators Chiefly Designed for Use in connection with Pneumatic Actions for Musical Instruments.. DICKINSON JOSEPH HUNTER May 15, 1902: GB190208765-A

[en] 8765. Dickinson, J. H. April 15. Automatic instruments organs.- The invention relates to a vacuum tension regulator. The port e leads to the bellows and the port f to the action. The regulator consists of a bellows A distended by a spring B and carrying on its fixed side a a valve seat g, on wh ...


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DICKINSON JOSEPH HUNTER: [en] Improvements in Adjustable Tracker Boards for Automatic Musical Instruments.. DICKINSON JOSEPH HUNTER February 1, 1910: GB190902385-A

[en] 2385. Dickinson, J. H. Feb. 1. Tracker-bars. - In an automatic musical instrument, the trackerbar is provided with two rows of ducts for tunesheets of different compasses, and one or the other of these sets of ducts can be connected with the action by means of a valve which i s mounted on pivot ...


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