Euler's Disk is a 1/2 inch thick, 3 inch wide, chrome plated steel disk. One edge is carefully machined to a smooth radius. 9 pieces of magnetized holographic foil make a variety of brilliant surface from
Kinetic Art Perpetual Motion Machine, Physical Balance Kinetic Energy Model, Newtons Science Physics Gadgets, Non-Stop Rolling Ball Toys, Balance
Divide-and-Conquer Linear-Scaling Quantum Chemical Computations
Item is complete in box.
VTG Euler's Disk Spinning Science Into Art 1998 Tangent Toy Co. Complete
The Project Gutenberg e-Book of Philosophy in Sport made Science in Earnest by John Ayrton Paris
Toysmith Euler's Disk Science Kits & Toys School Learning Games for Girls Boys 793631620531
Mechancs (Kleppner & Kolenkow)
Used but in excellent condition. Mirror has very few markings, disc looks good, has been kept in bubble wrap when not in use. See pics for details.
Vintage Euler's Disk STEM Spinning Science Into Art Tangent Toy Company 1996 VGC
Euler's Disk: Magnetic Science Kit
Python Code Galileo Unbound