Page 1 of 1

Marble Adding Machine

PostPosted: June 25th, 2007, 12:56 pm
by PHY
It's really amazing watching how computers worked before we were able to use electricity. This machine would provide a great lesson to children who would like to know the history of the computer.

[youtube]http://www.youtube.com/watch?v=GcDshWmhF4A[/youtube]

Read more