The Audio Recorder/Player Database

 
Manufacturer: Hart Mfg. Co (Hart)
Model: Recordgraph
Type: tape
Place of origin: USA
Date of manufacture: Circa 1945

Comments: Phonographic recorder that embossed a recording on 35mm cellulose acetate film. Used a continuous loop of film, so that the recording was in effect a long spiral groove around a cylinder.


 

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