Inspecting a dual output shaft speed reducer - photo

[Altair]

Inspecting a dual output shaft speed reducer at the Falk Steelworks in Milwaukee, Wisconsin, 1969.




Previously:

Ohio-class submarine reduction gear - photo
Hyperboloidal worm gear - GIF
Gear hobbing process - GIF
Power skiving internal gear - video
Internal gear machining- GIF

[metric_taper]

I don't know what he is indicating that has merit, tooth depth comparison seems very late in assembly for that, must be a staged photo.