   
Chapter 31
Top center:
3 string lyra between branches  Spielwerk / music box
Unknown Maker
Fig. 30-16. Circa 1828 for a 4-Air keywind movement serial 585 with 7 ¾ inch cylinder, and 106 teeth in segments of 5. A similar movement and tune sheet for serial 6954 had a single piece comb. The change from segmented to single combs was complete by about 1830. The serial numbers and dates are a close fit to Bulleid´s Dating Chart 5 for Ducommun Girod. The airs are hymns. (Bellamy: Tuneheets Makers Agents (2022), p. 30/5, Fig. 30/16)
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