US$ 17.95
Pairs 50mm of aperture with a 200mm focal length on a convex glass surface
copper wire
and corona discharge
Composite rod splitting glass and brass at its midpoint
Bimetallic Strip Thermal Expansion Demonstrator Item Type_Shaker Pairs 50mm of aperture withWooden handled bimetallic strip of bonded copper and steel, curving visibly under heat as the two metals expand at different rates, the principle behind thermostats and coils.
US$ 17.95
US$ 17.95
US$ 17.95
US$ 59.90
US$ 9750.00
US$ 17.95