Lots of magnets for sale. Most are brand new, some have been used in Hamel generator (3 cone device) (ceramic magnets, not rare earth types).
All about 1/8th in thickness.
Ceramic discs (1 inch diameter), ceramic squares (1 by 1 inch), ceramic rectangles (1 inch by 0.5 inch)
Neodymium discs (1 inch diameter), Neodymium rectangles (1 inch by 0.5 inch) (N42 type www.magnetsource.com)
Samarium Cobalt rectangles (1 inch by 0.5 inch)
Several hundreds for each type. Price negotiable. Let me know how many you would need for what size type, and I'll see if I can accomodate.
email: mattihorn@idirect.com
Canada