Post by Beijing PDV Instrument Co., Ltd

#inventor #child #HumenVision #animals #plants16 At the end of the actual period, the Dutch inventor Jensen and his son invented the first microscope, which is one of the greatest inventions of mankind. The microscope shows a whole new world in the field of human vision. "New" tiny animals and plants, and the internal structure of everything from humans to plant fibers. https://bit.ly/2yEtVZv