US$ 29.99
and polished — letting an infrared sensor compare emissivity at boiling-water temperature
Built for identification exercises
Vitreous-enameled tube rheostat at 1600 ohms and 0
7cm hoop offers 5/10/15-turn taps and an included compass needle for direct deflection readings
Life-size numbered human skull with removable skull cap exposes the cranial cavity
Magnetic Field Demonstrator with Vertical Wire, Acrylic Frame Item Type_Net and polished — letting anVertical 1. 5mm copper wire on an acrylic frame 5. 5 inches tall, paired with 4mm sockets so iron filing patterns can be mapped around a current carrying conductor for Oersted's experiment.
US$ 29.99
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US$ 84.99