The philosophical transactions (from the year 1732, to the year 1744) abridged, and disposed under general heads : the Latin… https://www.rawpixel.com/image/13990112/image-paper-cartoon-artFree Image from public domain licensePhilosophical transactions of the Royal Society of London. https://www.rawpixel.com/image/13991656/philosophical-transactions-the-royal-society-londonFree Image from public domain licensePhilosophical transactions of the Royal Society of London. https://www.rawpixel.com/image/14004877/philosophical-transactions-the-royal-society-londonFree Image from public domain licenseThe Académie des Sciences et des Beaux Arts, Paris: showing a variety of subjects studied there. Line engraving by G. Herth… https://www.rawpixel.com/image/14010938/image-horse-person-artsFree Image from public domain licenseCollection of four hundred portraits of remarkable, eccentric and notorious personages printed from the original copper… https://www.rawpixel.com/image/14021320/image-cartoon-person-artFree Image from public domain licenseInfant feeding by artificial means : a scientific and practical treatise on the dietetics of infancy / by S.H. Sadler. https://www.rawpixel.com/image/13992434/image-face-person-artFree Image from public domain licenseAppendix to report of the committee for scientific inquiries in relation to the cholera-epidemic of 1854. https://www.rawpixel.com/image/13982826/image-paper-cartoon-plantFree Image from public domain licenseOrchideae–Denusblumen / A. Giltsch, gem from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of… https://www.rawpixel.com/image/2268369/free-illustration-image-vintage-haeckel-orchidFree Image from public domain licenseDensity tool from Six weeks of vacation (1880) published by Paul Poiré. Original from the British Library. Digitally… https://www.rawpixel.com/image/571620/density-scientific-equipmentFree Image from public domain licenseBalance hydrostatic from Six Weeks Vacation by Paul Poire (1880). Original from the British Library. Digitally enhanced by… https://www.rawpixel.com/image/572601/scientific-apparatus-vintage-drawingFree Image from public domain licenseMan silhouette looking through a telescope from Mr.Grant Allen's New Story Michael's Crag With Marginal Illustrations in… https://www.rawpixel.com/image/573372/man-using-telescope-silhouetteFree Image from public domain license