Production chronology1924–1925
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗2 years
← Calthorpe
Calthorpe / Model record
Calthorpe12/20 hp Series III Six
Production1924–1925
Recorded originUnited Kingdom
ClassPassenger car chassis
Extremely rare George Hands-associated six-cylinder derivative, related in sources to his Hands 15/45 project. Displacement, designation and actual output conflict; the narrow program window is evidence-bounded rather than a claim of regular production.
Chronology ledger
Dates with their meaning intact
Record depth — Documented
How this is measured → This record contains useful sourced evidence, but it does not yet meet the reference-ready standard. Still needed: attributed imagery. Fields we cannot source stay empty rather than guessed.