Production chronology1905–1907
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗3 years
← Altmann
Altmann / Model record
AltmannThree-cylinder Steam Car
Production1905–1907
Recorded originGermany
ClassSteam automobile
Adolf Altmann's advanced condensing steam car used valve timing related to the Gardner-Serpollet principle and could travel about 125 miles on one water fill. His death prevented large-scale manufacture.
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.