US$ 124.00
Standard rheostat at 280 ohms and 1
Borosilicate glass Venturi tube at 7
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
reading to 0
Adjustable Spectrometer with 25mm Prism Subcategory_Globes Standard rheostat at 280 ohmsUsed 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.