Coil for Demountable Transformer, 70mm, Model B Material_Cork and major vessels of the

and major vessels of the human heart

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

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

Pack of low-form borosilicate 3

Coil for Demountable Transformer, 70mm, Model B Material_Cork and major vessels of theInsulated bobbin coil for the demountable transformer with 4mm panel sockets and an enclosed earth pin, used in step up and step down ratio demonstrations of Faraday's law.