Disambiguation evidence for Pratt & Whitney R-1820 radial engine via surface form

"Pratt & Whitney R-1820 radial engine"

Triples (1)

Triples where some other subject referred to this entity as "Pratt & Whitney R-1820 radial engine".

Douglas DC-5 → powerplant →
"Pratt & Whitney R-1820 radial engine"
ⓘ