Voice-O-Graph vinyl record and envelope

http://lod.ehri-project-test.eu/units/us-005578-irn82553-irn531049 an entity of type: RecordSet

The record was donated to the United States Holocaust Memorial Museum in 1991 by Amichai Heppner. 
irn531049 
Voice-O-Graph vinyl record and envelope 
a: Diameter: 6.000 inches (15.24 cm) b: Height: 6.125 inches (15.558 cm) | Width: 6.125 inches (15.558 cm) 
Voice-O-Graph vinyl record and mailing envelope from Max Heppner to the Burbach family in Amsterdam-West, Holland. The record was designed to be a voice-recording alternative to written correspondence. 
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Vinyl record housed between two pieces of cardboard inside a dark tan color mailing envelope. Envelope is hand addressed. a. record b. envelope c-d. cardboard pieces Envelope is hand addressed in the"t" and"fro" sections 

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