US$ 43.36
the leaded body giving stronger refraction and dispersion than crown glass for comparing material-dependent spectral spread
precision-machined for long-term weight stability in physics labs
14 push buttons
well suited to demonstrating the force on a current-carrying conductor in a magnetic field
and pith for stem anatomy and plant tissue teaching
Bark Cork Stopper, Size 20 Size_16 Inch the leaded body giving strongerPack of 10 ASTM compliant natural bark cork stoppers in Size 20 provides sealing for laboratory vessels and chemistry apparatus.
US$ 43.36
US$ 99.95
US$ 59.95
US$ 145.04
US$ 49.95
US$ 157.00