Production chronology1905–1906
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗2 years
← Crypto
Crypto / Model record
Crypto8/10 HP Bentall/Dupressoir
Production1905–1906
Recorded originUnited Kingdom
ClassVeteran passenger tricar or light automobile
Power10 hp
Final Crypto automobile development and a mechanically distinct replacement for the earlier higher-powered twin. Crypto showed Dupressoir chassis samples and the new 10 hp Bentall twin in November 1905, then W. G. James and W. Whittall displayed a Dupressoir light chassis fitted with the 8–10 hp engine in April 1906. The Bentall used a case-hardened and ground composite crankshaft, closely placed camshaft, centrally located adjustable low-tension ignition, removable ignition mechanism, padded moving parts and splash lubrication. An October hill-climb photograph explicitly calls James's completed vehicle an 8–10 hp Crypto Car. That final identification justifies 1905–06 while preserving the distinction between a late-1905 component display, the 1906 assembled chassis and proven complete car. Bentall and Dupressoir vehicles sold under their own names remain separate marques.
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.
Research notes
A complete Crypto car is photographically documented in 1906, but the evidence does not establish how many customer or demonstration chassis were completed.