Coil for Demountable Transformer, 70mm, Model B Material_Cork and visceral organs in a

and visceral organs in a combined lab-ready model

this infant skull model reveals fontanelles

the protective coating shielding glassware surfaces from nicks

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

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

Coil for Demountable Transformer, 70mm, Model B Material_Cork and visceral organs in aInsulated 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.