BlackBoard Physics™ Sets

Replacement bulbs for the single ray projectors are available in this two pack offer. The bulbs are 12V 35W vertical filament arrangement with a bayonette base.

This partitioned foam insert wooden box neatly ans safely stores your BlackBoard Optics™ set. This box helps ensure that these items last for years of demonstations.

This projector provides up to five well- collimated light beams that trace clear optical paths along a chalkboard. The fixed central beam establishes the optical axis. The other rays may be adjusted to desired angles to demonstrate spherical aberration. Lamp(KO4126); 12V, 55W included.

This projector provides up to five well- collimated light beams that trace clear optical paths along a chalkboard. The fixed central beam establishes the optical axis. The other rays may be adjusted to desired angles to demonstrate spherical aberration. Lamp(KO4126); 12V, 55W included.

These replacement bulbs for are for the multiple ray projectors. The bulbs are 12V 55W tungsten halide lamp. Bulbs are manufactured to the highest quality standards ensuring years of demonstration use.