US$ 16.00
Cutaway working steam engine model with piston
fluid reservoir
Aluminum pendulum clamp with three screw attachments on a die-cast head clamp fitting rods up to 16mm
Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary
2-Plate Magnetic Field Demonstrator Set Foodsafe Cutaway working steam engine modelTwo transparent 153 x 76 x 6mm plates, each fitted with 98 iron rod plotting compasses in a 14 x 7 matrix that align with field lines whenever a magnet is brought near.
US$ 16.00
US$ 68.00
US$ 37.99
US$ 224.50
US$ 25.00
US$ 138.99
US$ 36.00
US$ 116.00
US$ 20.00
US$ 21.99