"solar binocular"

Photocells with included connecting wires

With this collection of science kits, you and your students can explore the concepts behind and the many applications of solar hydrogen, direct methanol, and other fuel cell technologies.

Create your own computer controller dual axis solar tracker in under and hour, using only a screw driver.

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Economical and effective.

Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load.  Strong torque - 300 RPM @ 1/2 volt. Great for gear drives.  2mm shaft dia. Size 1 1/4" dia x 1 1/4" long. 

These stereomicroscopes have all the quality features and versatility of larger stereo microscopes in a compact size.

Quality at an affordable price.

In these digital compound instruments, a video camera is built into the traditional microscope chassis.

Quality construction assures trouble-free operation and minimal down time.

Learn how sunglasses work!