US$69.95

Powell's Machine
[25035]

For demonstrating the movement of progressive transverse waves. Comprising of 22 small balls on wire rods, with eccentric motion attachment. Hand operated.
Reviews
Quick Find
 
Use keywords to find the product you are looking for.
Advanced Search
Share Product
Share on Facebook Share on Twitter MODULE_SOCIAL_BOOKMARKS_GOOGLE_BUZZ_PUBLIC_TITLE