Basic Reading Magnifier, 50mm, 10cm Focal Length Science at Home_Chemical Science One-meter wooden lever graduated in

One-meter wooden lever graduated in centimeters on a knife-edge fulcrum base

Decade capacitance box stepping from 100pF to 1000pF in 100pF increments at plus-or-minus 5% on 63V

Five-pulley set of tandem 38mm/50mm low-friction plastic pulleys on open-sided frames

supporting medical and health-science teaching

Open Laplace rail with a free-moving conductor and 4mm sockets

Basic Reading Magnifier, 50mm, 10cm Focal Length Science at Home_Chemical Science One-meter wooden lever graduated inChrome plated 50mm reading magnifier with a 10cm focal length, the metal handle and frame giving durability for repeated student use during reading and specimen inspection.