Optical: systems and elements
Kaleidoscope
Including particles loosely housed for agitation
Inventor
active
No associations
LandOfFree
Ethan Allen does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Ethan Allen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ethan Allen will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1266190