Re: Light source -Reply

[Warren Hein <whein@aapt.org>]

These also work very nicely to do index of refraction experiments similar
to those discussed by Kallard in his book Exploring Laser Light.

> > > Pete Lohstreter <petel@tenet.edu> 02/25/97 10:22pm >>>
I bought a dozen from DAMARK.  $24.99 ea. and they pay shipping. 
They do 
what I wanted.  Diffraction - mostly.

DAMARK
7101 Winnetka Ave. N
P.O. Box 9437
Minneapolis, MN  55440-9437
1-800-729-9000

"Laser Pointer"  <5 mW; 670 nm   Item #  B-40030-509141




On Tue, 25 Feb 1997, Tish Richey wrote:

> I would like to present the "light" section in Physics.  Unfortunately, I
> do not think I have the proper equipment.  I was thinking of purchasing
> eight pen light lasers.  But, recently I found a box of lights (plug in,
> 40-60 watts).  Can is use these with some type of box for ray
tracings?  If
> not does anyone have a good source for laser pen lights?
>
> Tish Richey
> prichey@venus.net
> 500 South Gardner Street
> Scottsburg High School
> PHONE (812) 752-8927
> FAX (812) 752-6207
> Scottsburg, Indiana 47170