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 Loudspeakers
Cone Loudspeakers

 

RCA Radiola 100
1925

Tower Mfg. Company
1928

RCA Radiola 103
1927

RCA Radiola 100A
1927

Unidentified 
(French?)

Sterling Primax
(British)
1924

Unknown

Rola
1929

Cabinet Speaker
1928

RCA Radiola 106
1927

Pausen Octacone Pedestal Model
1926

Rola Pedestal Recreator
1926

Atwater Kent Model E
1926


Crosley Dynacone
1927


RCA Radiola 104
1925

The Radiola 104 his was the first Electro-dynamic cone loudspeaker, developed by General Electric engineers Chester W. Rice and Edward W. Kellogg in 1925.

 
 

Stewart Warner Model 415
1928

British Electric Sales Org
Beco Rose Bowl
1926
(British)

Urn Loudspeaker
(Unknown Mfg)
c. 1926

Sonochorde
Boudette Manufacturing Company
1925

Unknown
 

 

 

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