Thoughtful Gifts for Curious People
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Tesla’s original patent application for the use of his famous coil to transmit electricity wirelessly. This amazing device is a radio frequency oscillator that drives an air-core double-tuned resonant transformer to produce high voltages at low currents.
Also available in other styles and shapes.
Slate grey t-shirt, printed in colour.
Care: Machine wash cool. Tumble dry low. Do not iron text/images.