The talking machine world (Jan-Dec 1910)

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50 THE TALKING MACHINE WORLD. view of the diaphragm and center post. Fig. 4 is a central sectional view of a sound-box illustrating the diaphragm and gasket in position, and Fig. 5 is a perspective view of a form of gasket which may be employed with the diaphragm. Phonograph. Henry T. Oliver, Newark, N. J., assignor to New Jersey Patent Co., West Orange, N. J. Patent No. 955,424. This invention relates to phonographs and has for its object the provision of interchangeable means for feeding the traveling carriage upon which the sound-box is mounted at either of two rates of speed, one of which may be suitable for operating upon a record having one hundred threads per inch. The particular means employed in a general way embodies the invention disclosed in the application of Peter Weber, Serial No. 425.S44, filed April 8, 1908, in that there is a hollow rotary feed screw mounted concentrically with respect to an inner shaft and capable of being locked to said shaft so as to rotate therewith, or of being unlocked therefrom and driven thereby through interposed gearing so as to rotate at a different rate of speed. This invention relates more particularly to improvements in the mounting of the hollow shaft, the means for lockoing the same to the inner shaft and for gearing the two shafts together, with a view to obtaining a structure in which the movable parts are protected to a great extent, are few in number, and capable of operating at the desired high rate of speed without undue wear or noise, such as would be objectionable in a phonograph, and in which the arrangement of the parts is compact and capable of being applied to phonographs of ordinary construction without any changes in the frame or stationary parts of such machines, and without the provision of any supplementary or auxiliary frame for attachment to the phonograph body. Figure 1 is a plan view, partly in section, of a phonograph constructed in acordance with the invention, the parts being arranged for feeding the sound-box carriage at a suitable speed for operating upon records having one hundred threads per inch; Fig. 2 is a view of a portion of Fig. 1, except that the parts occupy the positions which are assumed when the carriage is to be fed at a speed suitable for operating upon records having two hundred threads per inch; Fig. 3 is a section on line 3 — 3 of Fig. 1, and Fig. 4 is a section on line 4 — 4 of Fig. 1. Sound-Recording and Reproducing Machine. Charlie E. West, Hopkinsville, Ky. Patent No. 956,460. This invention has reference to improvements in sound-recording and reproducing machines of the type where the recorder or reproducer is eonstrained to move in a right line across the record tablet. The object of the present invention is to adapt to such a machine the type of sound-amplifier wherein either the amplifier as a whole is movable in one plane only about a vertical axis, or one member only is movable to any point of the horizon and the other member is moved by the sound-box as it travels across the record tablet, and both members coact to constitute a single continuously-expanding sound-horn or amplifier. The invention consists in providing a soundreproducing or recording machine of the type wherein the sound-box is positively propelled across the record in a straight line with a taper horn movable in one plane only or with a swing ing taper arm connection forming a part of a sound-amplifier, the other part of which connects at its smaller end with the large end of the taper arm and is expanded into an open mouth or bell of usual type. The invention comprises a connection between the sound-box and the taper arm, whereby the latter is permitted to move about a vertical axis so that its smaller end, adjacent to the sound-box, describes an arc Figl I and, therefore, ■V — JLz9>, H changes its rela tion w i t h the sound-box. T h i s connection is so related to the taper arm that it will move relatively into and out of the same to permit the arm to travel through a curved path, and it will also have a relative movement to the soundbox itself, so as to have a relative movement to the sound-box about an axis perpendicular to the axis of the sound-box. Figure 1 is a side elevation, partially in section, of a sound-reproducing machine with the invention applied thereto, unessential parts being omitted; Fig. 2 is a plan view of the same; Fig. 3 is a longitudinal section, partly in elevation, of a modified form of the invention, and Fig. 4 is a cross section of the structure shown in Fig. 3. Sound-Box for Talking Machines. Edwin H. Mobley, Hillside, Pa. Patent No. 955,894. This invention relates to sound-boxes for use in connection with records having grooves of the "hill-and-valley" type, the objects of the invention being to provide for the secure connection of the stylus lever to the diaphragm, and for the proper contact of the stylus with the undulating bottom of the groove without impairing the desired freedom of movement of said stylus and without affecting the purity of the reproduction. Reference is made to the accompanying drawing, in which — Figure 1 is a view partly in side elevation and partly In vertical longitudinal section of a soundbox constructed in accordance with the invention; Fig. 2 is a perspective view showing certain elements of said soundbox detached therefrom; Fig. 3 is an enlarged perspective view or the blank from which the diaphragm connection is made; Fig. 4 is a perspective view of the same after it has been bent for application to the diaphragm and connecting ling, and Fig. 5 is a sectional view illustrating a modification of one of the features of the invention. Sound Amplifier for Phonographs. Vito Ettore D'TJrso, New York. Patent No. 956,235. The objects of the invention are to provide a simple and com^^s^^ rifr. i. pact device in which the inclosing casing may be utilized as a sound-amplifier. A further object is to provide a device which will dispense with the ordinary horn type of amplifier and secure the necessary amplification of sound by utilizing a direct channel for the transmission o f sound from the disc or record through the inclosing casing of the device. A still further object is to provide a casing in the form of a s o u n d-amplifier, which, in normal position, will inclose the parts of the mschanism, and when opened for use will provide an amplifyi n g or soundboard effect, which will give clear unobstructed tones. Referring to the drawings: Figure 1 is a perspective tive view of the device illustrating the application of tne amplifier. Fig. 2 is a similar view showing the casing in position to produce the amplification of sound. Fig. 3 is a plan view of the device illustrated in Figs. 1 and 2, partially cut in section and broken away to illustrate the sound-conducting channels. Fig. 4 is a transverse sectional view on the central line of Fig. 3. Fig. 5 is a sectional view on the line x — x of Fig. 3. Fig. 6 is a detail view illustrating a stop for the record. Fig. 7 is a crosssectional view through the mechanism illustrat3d in Fig. 6. Fig. 8 is a plan view of the machanism illustrated in Fig. 6. "FROM BRAIN TO TYPE." Something of the Handsome and Admirably Written Volume Just Issued by the Edison Business Phonograph Co., of Orange, N. J., Bearing Upon the Edison Commercial System Conducted with the Edison Business Phonograph. The Edison Business Phonograph Co. have just sent out a volume of unusual interest bearing upon the Edison commercial system conducted with the Business Phonograph. It is a work of art from a typographical standpoint, being superbly printed in two colors with specially designed borders on heavy coated paper. The volume is made up of a series of essays under the following headings: "The Progress of Voice Writing"; "Independent Dictation"; "Stenographic vs. Voice Writing"; "Centralized Transcribing"; "Importance of Design"; "Equipment." It is only necessary to read these interestingly written essays to conceive the broad field which the Business Phonograph covers and to realize its great future in the commercial world. Progressive business institutions have tried and found the Business Phonograph an indispensable part of their equipment and an accelerator in clearing up correspondence. The illustrations throughout the volume are in two colors and afford a splendid idea of the perfection of this remarkable mechanism for use in the commercial field. The volume must be productive of excellent results in compelling a larger measure of interest being concentrated on the possibilities of the Business Phonograph. Heads of departments cannot read this volume without being convinced that no modern business is complete without an adoption of the Edison commercial system. The price-cutter is always in hot water, for no salesman ever had enough ingenuity to keep cut prices secret. Let it be known that you cut prices and the news will travel fast.