Polarizing Film Filters. For use in photography, microscopy and light experiments. Special plastic film allows light to pass through one plane only. One piece rotated against the other will gradually block out light.     Each Order F130 Set  of 2, 2"x2" $4.95 [Add to Cart] F131 8-1/2"x9-1/2" $26.95 [Add to Cart] F132 9-1/2"x17" $50.00 [Add to Cart] F133 17"x19-1/2" $85.00 [Add to Cart]

Colored Gelatin Filters F118 - $5.80 [Add to Cart] [View Cart] For demonstrating primary and secondary colors. Yellow, orange, red, blue, green. 4"x4" squares. Package of 5.

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

F110 - File Metal. Three cornered triangular, for cutting small diameter glass tubing. 5-1/2" long. Each Order Each Dozen Order Dozen $2.35 [Add to Cart] $25.15 [Add to Cart]

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