1) Bangladeshi invention 
A crescograph is a device for measuring growth in plants. It was invented in the early 20th century by Sir Jagadish Chandra Bose - an Indian polymath, physicist, biologist, botanist, archaeologist. The Bose crescograph uses a series of clockwork gears and a smoked glass plate to record the movement of the tip of a plant (or its roots) at magnifica...
instrument for measuring the growth of plants
A device for recording the degree and rate of growth. ... Origin: L. Cresco, to grow, + G. Grapho, to draw or write ... (05 Mar 2000) ... 
Type: Term Pronunciation: kres′kō-graf Definitions: 1. A device for recording the degree and rate of growth.
crescograph A device for recording the degree and rate of growth.