Production chronology1907–1916
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗10 years
← Calthorpe
Calthorpe / Model record
Calthorpe16/20 hp
Production1907–1916
Recorded originUnited Kingdom
ClassPassenger car chassis
Calthorpe's best-known Edwardian family and successful reliability-trial/racing basis. The 1909 enlargement is a documented engine evolution of one continuing 16/20 lineage, not a second model.
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.