Adjustable Spectrometer with 25mm Prism Subcategory_Globes this battery box adds insulated

this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork

providing the high-turns leg in step-up voltage demonstrations

5 inches and provide 5x magnification through a 2-inch aperture

Hard-plastic 13x13-inch Worcester circuit board with 12 metal poles and 4 banana terminals

this polypropylene graduated cylinder set is Class B-tolerant

Adjustable Spectrometer with 25mm Prism Subcategory_Globes this battery box adds insulatedUsed to determine the wavelength of light and refractive index, this adjustable spectrometer pairs collimator, telescope, and prism holder with a 25 x 25mm glass prism on a metal base.