In the March 1963 issue of Science and Mechanics was presented a revolutionary way to sharpen knives that attached a grindstone to a bicycle including great tips to start your own sharpening business:
“A man who makes a living grinding scissors, knives, etc., in the vicinity of Moreton, Cheshire, England has fitted his bicycle with a small grinding wheel, in accordance with the illustrations and description here given. For those who would like to go into this business, we outline the details.”
For the record this way to sharpen knives is still seen today in various countries:
Do you think you can get a sharp knife this way or do you prefer to do it yourself
