3-Prong Double-Adjustable Universal Clamp with Boss Head Electricity & Magnetism_Magnetism anchoring retort stands and apparatus

anchoring retort stands and apparatus to the edge of a classroom workbench

Replacement pair of Gilley coils with a 1

Economy 25 by 5mm ceramic disc magnet

Folds flat into a metal pocket frame and opens into a 5x linen tester with an integrated measurement scale

Pairs 50mm of aperture with a 150mm focal length on a double-concave glass lens at ~5

3-Prong Double-Adjustable Universal Clamp with Boss Head Electricity & Magnetism_Magnetism anchoring retort stands and apparatusThree prong double adjustable universal clamp with an integrated bosshead and vinyl coated prongs, gripping round bottom flasks, condensers, and tubes during distillation and reflux.