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 as a t-shirt (long sleeved, short sleeved unisex, women's fitted) and notebook.
Organic cotton tote bag with long handles. Measures 36 x 38 cm, with 8 cm gusset.
