GB190815473A - Improvements in or relating to Sound Boxes of Gramophones and like Machines. - Google Patents

Improvements in or relating to Sound Boxes of Gramophones and like Machines.

Info

Publication number
GB190815473A
GB190815473A GB190815473DA GB190815473A GB 190815473 A GB190815473 A GB 190815473A GB 190815473D A GB190815473D A GB 190815473DA GB 190815473 A GB190815473 A GB 190815473A
Authority
GB
United Kingdom
Prior art keywords
gramophones
relating
machines
sapphire
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SYMPHONIONFABRIK AG
Original Assignee
SYMPHONIONFABRIK AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SYMPHONIONFABRIK AG filed Critical SYMPHONIONFABRIK AG
Application granted granted Critical
Publication of GB190815473A publication Critical patent/GB190815473A/en
Expired legal-status Critical Current

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Abstract

15,473. Symphonionfabrik Akt.-Ges. June 13, [date applied for under Section 91 of Patents &c. Act, 1907]. [Patent of Addition to No. 15,426, A.D. 1908]. Phonographs; gramophones.-Relates to an improvement on Specification No. 15,426, A.D. 1908, in which the securing set-screw of the gramophone needle is provided with a sapphire point and is adapted to be used for reproducing record disks having the Edison hill-and-dale sound track, and consists in providing a slot 4 in the tone-arm, and two slots in a disk 5 supporting the sound-box, so that when the latter is rotated through 90 degrees, the sapphire-pointed setscrew can be adjusted to occupy the same position as that previously occupied by the gramophone needle.
GB190815473D 1908-06-06 1908-07-21 Improvements in or relating to Sound Boxes of Gramophones and like Machines. Expired GB190815473A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE190815426X 1908-06-06
DE190815473X 1908-06-13

Publications (1)

Publication Number Publication Date
GB190815473A true GB190815473A (en) 1908-11-05

Family

ID=32852085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190815473D Expired GB190815473A (en) 1908-06-06 1908-07-21 Improvements in or relating to Sound Boxes of Gramophones and like Machines.

Country Status (1)

Country Link
GB (1) GB190815473A (en)

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