Coil for Demountable Transformer, 70mm, 50 Turns, 4A Botany_Botany Models Heavy-duty cork boring machine cuts

Heavy-duty cork boring machine cuts precision holes through rubber and cork stoppers for fitting laboratory glassware

sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

with superior chemical durability

Coil for Demountable Transformer, 70mm, 50 Turns, 4A Botany_Botany Models Heavy-duty cork boring machine cutsFifty turn 4A coil for the demountable transformer, panel mounted with 4mm sockets and an enclosed earth connection for safe wiring during induction and AC demonstrations.