Compound Lever Crescograph made by Sir Jagadish Chandra Bose (1858-1937) for the measurement of longitudinal plant growth, it could record a growth as

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Compound Lever Crescograph made by Sir Jagadish Chandra Bose (1858-1937) for the measurement of longitudinal plant growth, it could record a growth as small as 1/10000 inch per second. Acharya Bhaban, 93 APC Road (Upper Circular Road), Kolkata. India.

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Size: 4000px × 6000px
Location: Kolkata, West Bengal, India.
Photo credit: © Biswarup Ganguly / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 93, abala, acharya, apc, asia, bengal, bhaban, biswarup, bose, calcutta, chandra, chunder, ganguly, india, jagadis, jagadish, jcbshm, kolkata, museum, personalia, residence, road, west