Regina Disc Music Box - Illustrated Research, October 2026
Research addendum comparing Regina Styles 50, 72 and 150, identifying physical checks for the recorded numbers and disc format, and outlining a factory shipping-record search. Style and dating remain provisional pending confirmation of the instrument's markings. Illustrated JCA Archives edition with collection photographs.

Document details
Accession: JCA.2025.012.
Document date: October 10, 2026.
Edition: Illustrated edition - October 2026.
Format: PDF, 6 pages.
JCA Archives
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