US$ 15.00
Designed to harvest plenty of light through a 100mm aperture
forming a resonance apparatus for determining the speed of sound through frequency and wavelength investigations
and inner components
plus a removal tool in a 4-compartment storage box
this premium power supply drives atomic emission demonstrations that reveal each element's characteristic spectral lines
Reed Switch Demonstration Board Item Type_Mug Designed to harvest plenty ofHeavy duty reed switch on a demonstration base with 4mm plug connections, closing when a magnet is brought near to introduce magnetic actuated switching alongside hand operated switches.
US$ 15.00
US$ 66.00
US$ 24.99
US$ 20.00