Proper noun
Dowty (plural Dowtys)
A surname.
This accident occurred because the tailwheel unit was unable to caster properly, a problem which was solved in June–July 1941 by the fitting of a Dowty unit. Source: Internet
Dowty, Robert R., Rebirth of the Jupiter and the 119: Building the Replica Locomotives at Golden Spike, pp. 5–46, Southwest Parks & Monuments Ass'n., 1994. Source: Internet