Production chronology1909
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗1 year
← Sampson
Sampson / Model record
SampsonModel 4-9a Truck
Production1909
Recorded originUnited States
ClassCommercial truck
Named commercial model recorded in the 1909 Hand Book of Automobiles. Sampson concentrated on trucks after withdrawing its first passenger car; payload, body and engine data remain research-limited.
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.