| 968 / | HD | HOROLOGY |
| 229 | DD | ARRANGEMENTS PRODUCING ACOUSTIC SIGNALS AT PRESELECTED TIMES (optical time indicating subclass 139, 564, and 577; indicating by acoustic means subclass 217; indicating time by means other than acoustic or optical or by a combination of means subclass 243; acoustic time signals produced electrically subclass 580; coin-freed alarm clocks G07F 17/00B; acoustic signalling means G08B 3/00) [G04B 23/00] {2} |
| 230 | | .~ By starting up musical boxes or other musical recordings (starting up and stopping of phonographs by means of clockwork apparatus G11B 33/06) [G04B 23/00B] |