Auxanometer: how to measure the growth of plants - Vintage Nostalgia
Auxanometer: how to measure the growth of plants

XIX century illustration describing the auxanometer, apparatus for measuring the growth of plants. A wire is fixed to the the plant apex on one end and a dead-weight on the other. As the plant grows, the pulley rotates and the … Continued

$ 1.99$ 35.99 Select options