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
Diameter not display correctly, however, since many fonts do not include it. In many situations the letter ø (the Latin small letter o with stroke) is an acceptable substitute, which in Unicode is . It can be obtained in UNIX-like operating systems using a Compose key by pressing, in sequence, and on a Macintosh by pressing (the letter o, not the number 0). In Microsoft Word the diameter symbol can be acquired by typing 2300 and then pressing Alt+X. In LaTeX the diameter symbol can be obtained with the command codice_1 from the wasysym package. The diameter symbol ⌀ is distinct