Indian peacock (Pavo cristatus)
From Bilder-atlas zur Wissenschaftlich-populären Naturgeschichte der Vögel ( Atlas, or Volume of plates to Scientific and popular natural history of birds), by Leopold Joseph Fitzinger, Vienna, 1864.
(Source: archive.org)
(via scientificillustration)
Source: oldbookillustrations
Love science? Have a t-shirt of the periodic table of elements? Like to explain to strangers how the universe works? Do you want to tap that asymptote? Do you solve differential equations for fun? Did you build your own hard drive?