Science First Physics

Grounding Wire

$13.63

Winsco Electric Plume

$27.50

Winsco Heros Engine

$53.50

Spectroscope, Direct Reading

$545.74

Tripod base w/screw

$56.50

Support post

$49.00

Collar, Replacement part for: Van de Graaff

$39.00

Switch, on-off for N105S and N-100V

$7.48

Resistor, 100 ohm, 25 watt

$10.35

Rheostat N-100V only

$156.69

Pulley, upper with axel and rubber bushings, negative dome

$42.15

Pulley, lower, wool covered, negative dome

$37.80

Physics