The link below leads to a little information about the Zenith's "Gradua" transmission ratio changer, popularly (?) known as the coffee grinder.
You -- er, the interested viewer -- can see the coffee-grinder crankhandle sticking up skyward about midway between the fuel tank's fore and aft terminuses in both Mr G's and Bonham's photos.
The link below leads to a little information about the Zenith's "Gradua" transmission ratio changer, popularly (?) known as the coffee grinder.
ReplyDeleteYou -- er, the interested viewer -- can see the coffee-grinder crankhandle sticking up skyward about midway between the fuel tank's fore and aft terminuses in both Mr G's and Bonham's photos.
https://www.bonhams.com/auctions/25383/lot/494/