Unusual types of gramophone records Sievey. Chocolate records about three inches in diameter, and small players made for them, were marketed as a novelty in Europe in 1903–1904. After a record wore out or ceased to amuse, it could be eaten. In 1973, the Kingdom of Bhutan issued several unusual postage stamps that are playable miniature phonograph records. These thin plastic single-sided adhesive-backed 33 RPM discs feature folk music and tourism information. Not very practical for actual postal use and rarely seen canceled, they were designed as revenue-generating novelties and were initially scorned as such by most stamp collectors. Their small diameters (approximately 7 and
Unusual types of gramophone records of unusually long albums are listed below: The vast majority of records used a standard small spindle hole slightly more than " in diameter. The only common exception to this is the 7-inch 45 RPM record, which was designed with a center hole slightly more than 1.5" in diameter both for convenience in handling and to accommodate a very fast record-changing mechanism contained inside a correspondingly large spindle, as implemented in RCA Victor's early stand-alone "45" players. The spindle and any records stacked on it rotated with the turntable, so that each waiting disc was already up to speed before