Production chronology1906–1909
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗4 years
← Ampère (1906)
Ampère (1906) / Model record
Ampère (1906)10/16 CV
Production1906–1909
Recorded originFrance
ClassFour-seat double phaeton
Ampère's only documented model used an electrically operated clutch for continuously described speed variation without dynamo or accumulator. The radiator was mounted behind the engine; no displacement, quantity or additional coachwork table survives.
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.