US$ 59.99
For image formation studies on optical benches
zero-offset rod
and core layers detach one by one for geology instruction
5-200Hz via 4mm plugs
The activity in this kit is designed to introduce students to the concepts of ionic reactions
Economy Handheld Spectroscope, 6-Pack Capacity_10mL For image formation studies onDiffraction grating spectroscopes with a rotating slit cap, supplied as a small group pack for identifying visible light wavelengths from lamps and discharge sources.
US$ 59.99
US$ 107.50
US$ 122.50