atmospheric germs, magnified 1000 times in diameter, a, b. vibrio, c, d. bacteria, f, g, h. micrococcus various, i. torule varied

1000 1886 ancient antique art artwork atmospheric bacteria biology black diameter drawing earth ecology engraved engraving etching genus germs illustration magnified magnify man microbiology micrococcus old organism picture science species structure times torule varied various vector vibrio vintage white