Howard and the Running Monkey wrote:
Slide rule
ranking lower but in the running:
pencil on paper
Blue Books
I use a slide rule app on my iphone. Cool, but only a pale shadow of the old Keuffel & Esser.
Howard and the Running Monkey wrote:
Slide rule
ranking lower but in the running:
pencil on paper
Blue Books
I use a slide rule app on my iphone. Cool, but only a pale shadow of the old Keuffel & Esser.
Dr. Know wrote:
...vibrating anal plug?
Very intriguing idea.