Adjustable Spectrometer with 25mm Prism Subcategory_Globes Hard-plastic 13x13-inch Worcester circuit board

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

Compact 42-cm resistance investigation board

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

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

brake oil pressure sensor

Adjustable Spectrometer with 25mm Prism Subcategory_Globes Hard-plastic 13x13-inch Worcester circuit boardUsed 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.