http://www.mandolessons.com
Free Online Mandolin Lessons
2 am and the harmonograph is done, the picture it draws isnt that cool, but at least we know it worked.
update: after some experimenting, we are now able to make a lot cooler drawings that these.
The Wooden book on your table is a wonderful description. Your machine seems very heavy and difficult to tune to generate various ratio drawings.
I invite you to look at my machine in which the two pendulums are hung one above the other. from PJ.
joy1233es 2 years ago
that's funny. I just bought the book myself. I'm glad someone had the patience to follow the instructions at the back. Were the pendulums swinging to a specific ratio?
lanerant 4 years ago
very good & illustrative
chinmay153 4 years ago