US$ 35.00
this 15-inch motion-converter model shows the engineering principle behind crankshaft pistons and rotary-to-linear mechanisms
Eight 15 x 10 x 10cm pinhole boxes
and ring magnets with plotting compasses
sized for fine soldering work on circuit boards and small electronic components
Boyle's Law Apparatus, Standard Material_Cork this 15-inch motion-converter model showsTwo tube Boyle's Law apparatus connecting an open J tube to a closed one with mercury through a rubber bridge, mounted on cast iron with a wooden board and meter rule for column height reading.