Knoll Family Collection
Knoll Family Collection
1929: Wichita, Felix W. A . Knoll


Knoll Family Collection


The following photos from the Harold Zipp Collection

provided by Walter House - Kansas Aviation Museum

Harold Zipp collection
Factory under construction

Harold Zipp collection
Design Engineers

Harold Zipp collection
Cabin Mockup and Layout

Harold Zipp collection
Landing Gear Stress Testing

Harold Zipp collection
Landing Gear Drop Test

Harold Zipp collection
Aileron Testing - Notice Joystick Assembly

Harold Zipp collection
Stabilizer Trim Mechanism