Educational device

Details Educational device Educational device

1975-01-28

1976-06-15

Skogquist, Harland S.

Buckles, buttons, clasps, etc.

240108BA, G09B 2322

Patent

active

039628027

ABSTRACT:
A simple, durable, inexpensive educational device for demonstrating physical properties of beams of light especially adapted for use by educational institutions below the college level is described. The device comprises a sleeve means, a light source disposed adjacent one end of the sleeve, means for providing a first slot which is disposed adjacent the opposite end of the sleeve, and means for providing a second slot in axial alignment with the first slot.

REFERENCES:
patent: 972344 (1910-10-01), Davis
patent: 1687881 (1928-10-01), Myers
patent: 1983374 (1934-12-01), Intemann
patent: 2316305 (1943-04-01), Wright
patent: 2385755 (1945-09-01), Bartow
patent: 2538407 (1951-01-01), Allen
patent: 2663417 (1953-12-01), Kincaid

Affiliated with

Also associated with

Rating

Educational device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Educational device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Educational device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1687990