Question

What were Jagadish Chandra Bose inventions?

Answer 1

Crescograph

A crescograph is a device for measuring the growth in plants. It was invented in the early 20th century by Sir Jagadish Chandra Bose. The Bose crescograph uses a series of clockwork gears and a smoked glass plate to record the movement of the tip of a plant at magnifications of up to 10,000.