Clam shell varieties set illustration from Mollusca & Shells by Augustus Addison Gould. Original from Biodiversity Heritage… Free Image from public domain license 
Bolder-Atlas by Brockhaus, printed in 1849, an antique drawing of vintage astrological spheres and charts and diagrams.… Free Image from public domain license 
Rare Antique Tropical Fish Queen Parrot by Henry Baldwin (1899), a beautifully colored exotic fish isolated. Digitally… Free Image from public domain license 
Zebra Longwing (Heliconia Charitonia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Study of three feathers (1813–1838) by Dirk Salm. Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Gray Fluff Tits (1688-1698) by Johan Teyler (1648 -1709). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
The Tricolor with a French flag themed balloon ascension in Paris, June 6th 1874. Original from Library of Congress.… Free Image from public domain license 
Bicycle from Watford in 1891. Illustrated, Descriptive, and Commercial, Including Rickmansworth published by Robinson, Son &… Free Image from public domain license 
Blue-tipped Dragonfly illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license