William S. Haynes · Flute · C
HMFM — Haynes Handmade French Model
Introduced1948 onwards
Discontinued1972
Open holes, pointed keywork, soldered toneholes; 2380 ledger rows as 'HMFM' plus 2115 as 'HMFM Bft'.
Where it sits. Introduced 1948, discontinued 1972. To date a specific William S. Haynes instrument, use the serial number — the model era is the context, the number is the date.