Wow, thats neat, I didn't know such a thing existed. It's too bad it
doesn't have any pictures, Though.
Chad Fernandez
Michigan, USA
Doug Coward wrote:
>
> I've managed to push back the age of
> the oldest computer user manual in my
> collection by another 42 years.
>
> SCREW PROPELLER COMPUTER
> Geo. McDermott
> 52 pages, hardbound, first edition
> Taylor and Carpenter, 1902
>
> This book describes a mechanical computer
> with two separate rotating discs to enter
> variables and used to calculate the dimensions
> and proportions of screw propellers
> The last chapter is entitled "Directions
> for operating the computer" with 7 example
> problems.
> Unfortunately there are no pictures of the
> computer in the book so I'll have to wait
> until the book attracts the computer. :)
> --Doug
> =========================================
> Doug Coward
> _at_ home in Poulsbo, WA
>
> Analog Computer Online Museum and History Center
> http://www.best.com/~dcoward/analog
> =========================================
Received on Fri Sep 07 2001 - 10:33:41 BST