Up: Table of Contents
Sturmey 1902[1]
  Number of gear teeth        
Gear Sun Gear 1 Pinion to Sun 1 Pinion to Ring 1 Ring gear 1 Path, 1=R to P, 2=Direct, 3=P to R Gear Drive Ratio Drive ratio as fraction Ratio incre- ment
1 16 24 24 64 1 0.800    4/5   
2 16 24 24 64 2 1.000 1        1.250
3 16 24 24 64 3 1.250 1   1/4  1.250

[1]
John Allen:
Tooth counts verified
https://hadland.files.wordpress.com/2012/07/1theory.pdf
https://hadland.files.wordpress.com/2012/07/2tables.pdf