Ancient of Days Setting a Compass to the Earth (1794) illustration from Europe: a Prophecy by William Blake (1752-1827).… https://www.rawpixel.com/image/328175/free-illustration-image-god-william-blake-musicFree Image from public domain licenseSidney Hall’s (1831) astronomical chart illustration of the Libra. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/429678/free-illustration-image-zodiac-libra-astrologyFree Image from public domain licenseSidney Hall’s (1831) astronomical chart illustration of Gloria Frederici, Andromeda. Original from Library of… https://www.rawpixel.com/image/429658/free-illustration-image-zodiac-astrology-mapsFree Image from public domain licenseMindfulness during social isolation covid-9 awareness vector https://www.rawpixel.com/image/2299306/free-illustration-vector-yoga-meditationView licenseConstruction of Dials (1809) from the book by John Wilkes (1725-1797), time measurement chart shown in geometric charts and… https://www.rawpixel.com/image/428202/dial-construction-guideFree Image from public domain licenseBalance Scales (ca. 1940) by William Kieckhofel. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3358307/free-illustration-image-antique-art-artworkFree Image from public domain licenseHand drawn hourglass with good things take time quote https://www.rawpixel.com/image/472271/free-illustration-vector-time-clock-countdownView licenseVintage aneroid barometer engraving vector https://www.rawpixel.com/image/561254/aneroid-barometer-vintage-styleView licenseElectric Helical Aerostat Driven in the Air by Albert and Gaston Tissandier. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/429660/free-illustration-image-vintage-plan-science-airshipFree Image from public domain licenseNewsmap : week of October 14 to October 21, 215th week of the war, 97th week of U.S. participation. (1943), vintage… https://www.rawpixel.com/image/9404111/image-art-space-vintageFree Image from public domain licenseShaker Scales (1935–1942) by George V. Vezolles. Original from The National Gallery of Art. Digitally enhanced by… https://www.rawpixel.com/image/3341047/free-illustration-image-scale-antique-artFree Image from public domain licenseAneroid barometer published by Robinson, Son & Pike (1872). Original from the British Library. Digitally enhanced by… https://www.rawpixel.com/image/561141/aneroid-barometer-vintage-styleFree Image from public domain licenseCopper Measuring Cup (ca.1938) by Wilford H. Shurtliff. Original from The National Gallery of Art. Digitally enhanced by… https://www.rawpixel.com/image/3366848/free-illustration-image-20th-century-antique-artFree Image from public domain licenseAneroid barometer from published by Henry Herbert (1872). Original from the British Library. 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Original public… https://www.rawpixel.com/image/10184819/image-space-pattern-planetFree Image from public domain licenseHand drawn sandglass isolated on background https://www.rawpixel.com/image/411149/free-illustration-image-hourglass-sandglass-sand-watchView licenseFrom the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it (1874) chromolithograph art… https://www.rawpixel.com/image/10184736/image-borders-cow-plantFree Image from public domain licenseLibra zodiac phone wallpaper, doodle line art illustration vector https://www.rawpixel.com/image/4066332/illustration-vector-background-instagram-story-iphone-wallpaperView licenseAuguste Lanteigne proposes a system of airship navigation utilizing a series of 16 balloons on a single keel. Original from… https://www.rawpixel.com/image/429694/free-illustration-image-vintage-balloon-instructions-airFree Image from public domain licenseHand drawn pocket watch isolated on background https://www.rawpixel.com/image/411162/free-illustration-image-pocket-watch-clock-chainView licenseMagic hourglass clipart, doodle mystical illustration https://www.rawpixel.com/image/6331316/image-line-drawing-galaxy-illustrationView licenseMagic hourglass clipart, doodle mystical illustration vector https://www.rawpixel.com/image/6327684/vector-sticker-line-drawing-collageView licenseMeasure Cup (ca. 1940) by Charles Henning. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3391509/free-illustration-image-antique-art-artworkFree Image from public domain licenseAneroid barometer from published by Henry Herbert (1872). Original from the British Library. 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Seventh Edition, etc published by Thomas… https://www.rawpixel.com/image/572677/antique-drafting-compassFree Image from public domain licenseHand drawn pocket watch isolated on background https://www.rawpixel.com/image/411105/free-illustration-image-clock-chain-blueView licenseShaker Scales (ca.1938) by George V. Vezolles. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3370431/free-illustration-image-antique-art-artworkFree Image from public domain licenseEgyptian lifestyle illustration from Histoire de l'art égyptien (1878) by Émile Prisse d'Avennes. 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Original public domain… https://www.rawpixel.com/image/11063680/image-paper-hand-personFree Image from public domain licenseLibra zodiac Samsung phone wallpaper, constellation vector https://www.rawpixel.com/image/4066884/illustration-vector-background-instagram-story-iphone-wallpaperView licenseShaker Scales (ca.1939) by George V. Vezolles. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3362681/free-illustration-image-antique-art-artworkFree Image from public domain licenseOctant (1939) by John Thorsen. Original from The National Gallery of Art. 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Watercolour, 1907. https://www.rawpixel.com/image/13951389/image-flower-plant-artFree Image from public domain licenseBalancing tool illustration vector https://www.rawpixel.com/image/573509/density-scientific-equipmentView licenseVintage aneroid barometer engraving vector https://www.rawpixel.com/image/561166/aneroid-barometer-vintage-styleView licenseHand drawn hourglass with good things take time quote https://www.rawpixel.com/image/472296/free-illustration-vector-motivation-hour-icon-pressureView licenseIllustration by an American engineer and inventor, Robert Fulton (1765-1815), of water chamber, valves and water passages in… https://www.rawpixel.com/image/429712/free-illustration-image-architectural-drawing-water-architectureFree Image from public domain licenseProsthetic/orthotic research for the twenty-first century. Original public domain image from Flickr https://www.rawpixel.com/image/9646897/image-person-arts-medicineFree Image from public domain licenseWater Scorpion, Water Measurer, Pond Skater, Red Water Mite, Leech and Other Water Insects (1575–1580) painting in… https://www.rawpixel.com/image/3109747/free-illustration-image-leech-animal-animalia-aqvatilia-cochiliataFree Image from public domain licenseAneroid barometer illustration vector https://www.rawpixel.com/image/572939/aneroid-barometer-vintage-drawingView licenseNew canon of the proportions of human body from Histoire de l'art égyptien (1878) by Émile Prisse d'Avennes.… https://www.rawpixel.com/image/421099/free-illustration-image-emile-grid-egyptFree Image from public domain licenseA drawing of Emery Molyneux's terrestrial globe (1623) illustrated by Robert Hues. Original public domain image from… https://www.rawpixel.com/image/10184744/image-art-space-world-mapFree Image from public domain licenseShaker Scales (1935–1942 )by Lon Cronk. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3370346/free-illustration-image-antique-art-artworkFree Image from public domain licenseHand drawn hourglass with good things take time quote https://www.rawpixel.com/image/472297/free-illustration-vector-hourglass-time-badge-sand-timerView licenseCompass and a text Strategy direction concept for guidance and leadership https://www.rawpixel.com/image/401744/premium-illustration-vector-compass-marketing-cartoon-career-goalView licenseDecember 2, 2014NASA's Journey to Marshttp://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=6829NASA is developing the… https://www.rawpixel.com/image/9975908/photo-image-astronaut-moon-spaceFree Image from public domain licenseBlacksmith's Measuring Wheel (ca. 1939) by Edward L. Loper. Original from The National Gallery of Art. 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Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3362677/free-illustration-image-antique-art-artworkFree Image from public domain licenseMachine barometer illustration vector https://www.rawpixel.com/image/572363/machine-barometer-vintage-drawingView licenseWind vane vintage style illustration https://www.rawpixel.com/image/411218/free-illustration-image-chicken-vintage-westView licenseVinatge illustration of measuring cups https://www.rawpixel.com/image/324666/free-illustration-vector-measuring-cups-measure-kitchen-tools-sketchedView licenseA profile of a man bisected with a curve for measuring the brain, skulls of a Turk (top right), a Georgian woman (bottom… https://www.rawpixel.com/image/13965801/image-face-person-artFree Image from public domain licenseHourglass drawing clipart, measuring time illustration https://www.rawpixel.com/image/6320674/image-line-drawing-illustration-artView license