Wednesday, 25 May 2016

Fresh-water Biology (1918)

From Fresh-water Biology by  Henry Baldwin Ward and George Chandler Whipple, published in 1918 (HERE). The direct measurement of the length of a nematode using a "stepping divider"  approach. The nematode is visualized directly  via a camera lucida attachment to the microscope. 





LinkWithin

Related Posts Plugin for WordPress, Blogger...