Alnico Cylindrical Magnet, 37 x 9mm Material_Copper Five-pulley set of tandem low-friction

Five-pulley set of tandem low-friction plastic pulleys at 25

and ad-hoc experimental setups

Wider 70 x 20 x 8mm cross-section on this Alnico bar pair gives a broader pole face than typical bar magnets

Hand-cranked cam turning against both a straight follower and a lever follower

this cast double burette clamp secures two burettes side by side for back-titration and comparative analytical procedures

Alnico Cylindrical Magnet, 37 x 9mm Material_Copper Five-pulley set of tandem low-frictionPink dots mark opposing poles on this 37 x 9mm Alnico cylinder pair, supplied with steel keepers and a cardboard storage box for sustained field strength between hands on experiments.