Basic Reading Magnifier, 50mm, 10cm Focal Length Science at Home_Chemical Science Five-pulley set of tandem 38mm/50mm

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

Spare charged porous pot for the Leclanche cell

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

supporting medical and health-science teaching

Equipped with a flexible delivery tube and capped tip for better aim when rinsing glassware

Basic Reading Magnifier, 50mm, 10cm Focal Length Science at Home_Chemical Science Five-pulley set of tandem 38mm/50mmChrome 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.