HERCULES 3 Speed Hub Instruction Leaflet
     
 

 These are virtually identical to the Sturmey Archer "SW" hub of the same era (late 1950's.)
     
 This item is available for sale, contact us if you're interested.  
     Check our page of Bicycle Tire Sizes and Raleigh Spoke and Rim Information
Click here for an illustration of  the Sachs Jet Coaster Hub