Plano-Cylindrical Lens, +10 Diopter State_Solid holding twelve tubes up to

holding twelve tubes up to 22 mm diameter for classroom and professional bench setups

Used to draw electrons from glass and ebonite rods during rubbing

Handmade wooden spice rack holds twelve 6-inch borosilicate glass test tubes with caps and includes a filling funnel for kitchen-to-lab cross-over gifting

110 ohms at 1-ohm resolution

The topics covered on this board include: Airbag construction and operation

Plano-Cylindrical Lens, +10 Diopter State_Solid holding twelve tubes up toPairs a 50 by 50mm plano cylindrical glass lens with +10 diopter optical power, focusing light along a single axis for astigmatism correction, line focus, and cylindrical optics demos.