Thoughtful Gifts for Curious People
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.
Black Organic cotton tote bag with long handles.
Measures 36 x 38cm, with 8cm gusset