AU579727A - Improvements in or relating to sound amplifying horns for talking machines, loud speakers and other like sound reproducing apparatus - Google Patents

Improvements in or relating to sound amplifying horns for talking machines, loud speakers and other like sound reproducing apparatus

Info

Publication number
AU579727A
AU579727A AU5797/27A AU579727A AU579727A AU 579727 A AU579727 A AU 579727A AU 5797/27 A AU5797/27 A AU 5797/27A AU 579727 A AU579727 A AU 579727A AU 579727 A AU579727 A AU 579727A
Authority
AU
Australia
Prior art keywords
sound
relating
reproducing apparatus
loud speakers
talking machines
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
AU5797/27A
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 AU579727A publication Critical patent/AU579727A/en
Expired legal-status Critical Current

Links

AU5797/27A 1927-02-02 Improvements in or relating to sound amplifying horns for talking machines, loud speakers and other like sound reproducing apparatus Expired AU579727A (en)

Publications (1)

Publication Number Publication Date
AU579727A true AU579727A (en) 1927-11-02

Family

ID=

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