Gatty Drift Indicator Diagram

This line drawing shows the internal workings of the drift meter invented by Harold Gatty.  

Caption:
Line drawing of the prototype Gatty drift meter.
Type: Illustration
Credit: National Air and Space Museum, Smithsonian Institution
Origin: National Air and Space Museum, P.V.H. Weems Collection
Navigators & Inventors
Innovations
Navigation Methods
 
Line drawing of the prototype Gatty drift meter.