Diffraction Grating
Transmission Type
A 35mm cardboard mount of a replica grating. 13,500 lines per inch to provide a light diffraction for studies and experiments in optics. For classroom construction of light spectrums and simple spectrascopes.
    Each Order Each Dozen Order Dozen
D101 1 inch square in cardboard mounts $1.00 [Add to Cart] $10.80 [Add to Cart]
D102 Unmounted. 6"x12"  $9.00 [Add to Cart] $97.20 [Add to Cart]

 

Dental Dam
.006 thickness. Light colored natural latex sheeting. Excellent for make-up appliances, special effects and science projects.
D100A 14"x12" $1.85 [Add to Cart] [View Cart]
D100B Running Foot (42" wide) $3.35 [Add to Cart] [View Cart]

 

D113 - Dialysis Tubing
Semi-permeable. Regenerative cellulose seamless tubing. 1-1/8" diameter. For Osmosis experiments. Place in warm water to regenerate.
10 feet $15.75 [Add to Cart] [View Cart]
100 Foot Roll $126.00 [Add to Cart] [View Cart]

Please remember our $20.00 minimum (plus shipping) for ordering

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