'Animalcules' observed by Anton van Leeuwenhoek, c1795. Hand-coloured engraving showing various items viewed through a microscope, including sperm, (29 & 30) and human spermatazoa from a warm cadaver (31-40). Van Leeuwenhoek (1632-1723) was a Dutch scientist and microscopist who was the first to observe bacteria and protozoa using his own simple microscopes.
Pixel Dimensions (W x H) : 2901x3614
File Size : 30,716kb