1. Crescograph is a wonderful instrument. It can record the growth of plants. It shows how plants react to such things as light, noise and manures. It can show that plants feel like human beings. A crescograph can show that plants have a keen sight.
2. J. C. Bose was a great scientist. He was interested in animal and plant life. He proved that all living things and lifeless objects behaved in the same way. He invented a wonderful instrument. It was called crescograph. With this instrument, he proved that plants can feel like human beings.
3. J. C. Bose was a great patriot. He was proud of his country. He was proud of India’s great past. And he had faith in the present generation also. He had faith in the intelligence of his countrymen. He was certain that they could do great things as their ancestors had done in the past.