This page has a photo of an R-790A. ↑ Old Rhinebeck Aerodrome - Wright Whirlwind J-5, retrieved 2009-12-13 . ↑ New England Air Museum - Engine Profile: Lawrance J-1, retrieved 2009-12-13 . ↑ New England Air Museum in Windsor Locks, Connecticut, retrieved 2009-12-13 .