US$ 34.95
and a motor accessory
Micro-size LPG Bunsen burner with a flame stabilizer and anti-tip cast iron base
interference - within reach of an introductory wave-mechanics curriculum
Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket
Used to demonstrate how meshing gears transmit rotation
Laurent's Half Shade Polarimeter Subcategory_Lab Coats and Aprons and a motor accessoryVernier reading to 6 arcminutes on a 0 360 degree scale lets the rotatable analyzer measure optical rotation through the 20cm sample tube of this Laurent half shade polarimeter.