Production chronology1910
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗1 year
Source-catalogued 1910 twin-cylinder model; whether it directly evolved from the earlier De Dion-powered twin is not documented and therefore not assumed.
Sourced production or model lifecycle range used by the main catalog timeline.
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.