US$ 60.00
and major vessels of the human heart
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
this infant skull model reveals fontanelles
Barlow's Wheel apparatus with neodymium magnets and a heavy base
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.
US$ 60.00
US$ 10.00
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US$ 70.00
US$ 70.86
US$ 35.95
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US$ 32.95