AU1728120A - An improved soundbox diaphragm for talking machines - Google Patents

An improved soundbox diaphragm for talking machines

Info

Publication number
AU1728120A
AU1728120A AU17281/20A AU1728120A AU1728120A AU 1728120 A AU1728120 A AU 1728120A AU 17281/20 A AU17281/20 A AU 17281/20A AU 1728120 A AU1728120 A AU 1728120A AU 1728120 A AU1728120 A AU 1728120A
Authority
AU
Australia
Prior art keywords
soundbox
diaphragm
improved
talking machines
talking
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
AU17281/20A
Inventor
j WILLIAM JAVID Anderson Newcombe
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU1728120A publication Critical patent/AU1728120A/en
Expired legal-status Critical Current

Links

AU17281/20A 1920-08-16 An improved soundbox diaphragm for talking machines Expired AU1728120A (en)

Publications (1)

Publication Number Publication Date
AU1728120A true AU1728120A (en) 1921-02-22

Family

ID=

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