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16 inch transcription record with yellow 12 inch LP shown for scale
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Commercial 78
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Flexible Dictaphone record |
Gem cardboard letter record from WWII |
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Edison 78 record with vertical grooves. This record is about 1/4 inch thick.
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Flexible plastic record. This one is paper thin.
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Gem cardboard record from WWII
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Pepsi cardboard record from WWII
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Pepsi cardboard record from WWII
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Presto acetate coated aluminum record
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Recordio cardboard record
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Speakophone aluminum record
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Victor Home Recording Record. These records require a special stylus (needle) that is larger than the typical 78rpm stylus.
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Letter record from WWII recorded at the USO
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This is the same record before and after cleaning.
The waxy gray residue is from the decomposition of the acetate coating on the aluminum core.
The decomposition can't be reversed, repaired or stopped.
The residue can only be removed.
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