Sidney Hall’s (1831) astronomical chart illustration of Sagittarius and Corona Australis, Microscopium and… https://www.rawpixel.com/image/429665/free-illustration-image-zodiac-sagittarius-astrologyFree Image from public domain licenseWilson Bentley's Snowflake 920 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798905/free-photo-image-snow-snowflake-winterFree Image from public domain licenseWilson Bentley's Snowflake 1152 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798898/free-photo-image-snowflake-winter-snowFree Image from public domain licenseWilson Bentley's Snowflake 332 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798916/free-photo-image-snowflake-winter-crystalFree Image from public domain licenseWilson Bentley's Snowflake 579A (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798875/free-photo-image-snowflake-snow-winterFree Image from public domain licenseWilson Bentley's Snowflake 562 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798883/free-photo-image-snowflake-snow-winterFree Image from public domain licensePetrological microscope with rotating stage published by C. Griffin & Co. (1893). Original from the British Library.… https://www.rawpixel.com/image/561156/microscope-vintage-styleFree Image from public domain licenseWilson Bentley's Snowflake 10 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798878/free-photo-image-crystal-snowflake-winterFree Image from public domain licenseWilson Bentley's Snowflake 990 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798890/free-photo-image-snowflake-snow-flakesFree Image from public domain licenseFloral and eige coronavirus background illustration https://www.rawpixel.com/image/2320649/free-illustration-psd-collage-tape-washiView licenseSteward's vintage tools set published by Henry Herbert (1872). Original from the British Library. Digitally enhanced by… https://www.rawpixel.com/image/561240/vintage-objects-decorationFree Image from public domain licenseVintage Victorian style microscope engraving. Original from the British Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/556600/vintage-microscope-illustrationFree Image from public domain licenseWilson Bentley's Snowflake 342 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798877/free-photo-image-snowflake-snow-flakeFree Image from public domain licenseWoman using microscope png sticker, vintage illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6676642/png-sticker-vintageFree PNG from public domain licenseCoronavirus under a microscope on a pastel background illustration https://www.rawpixel.com/image/2309464/free-illustration-image-covid-backgroundView licenseWilson Bentley's Snowflake 976 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798930/free-photo-image-winter-snowflake-snow-flakeFree Image from public domain licenseUltrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282536/free-photo-image-covid-science-virusFree Image from public domain licenseHand drawn microscope sticker with a white border design element https://www.rawpixel.com/image/2417250/free-illustration-png-science-microscope-vintageView licenseCoronavirus under a microscope on a purple background illustration https://www.rawpixel.com/image/2308077/free-illustration-image-covid-watercolor-backgroundView licenseCoronavirus under the microscope watercolor texture https://www.rawpixel.com/image/2308114/free-illustration-image-covid-background-coronavirusView licenseMicroscope png sticker, laboratory instrument vintage illustration on transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6331781/png-sticker-vintageFree PNG from public domain licenseMicroscopic Objects. Digitally enhanced from our own original edition of A History of the Earth and Animated Nature (1820)… https://www.rawpixel.com/image/411902/free-illustration-image-cell-fossil-microscopicFree Image from public domain licenseUltrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. https://www.rawpixel.com/image/2282543/free-photo-image-covid-virus-coronavirusFree Image from public domain licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2308690/free-illustration-image-watercolor-background-background-covidView licenseWilson Bentley's Snowflake 234 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798923/free-photo-image-snowflake-crystal-vintageFree Image from public domain licenseWilson Bentley's Snowflake 10 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798889/free-photo-image-snowflake-crystal-vintageFree Image from public domain licenseIllustration of chemistry laboratory instruments set https://www.rawpixel.com/image/251098/free-illustration-vector-chemistry-science-laboratoryView licenseWilson Bentley's Snowflake 951 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798879/free-photo-image-snowflake-crystal-snowFree Image from public domain licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2309855/free-illustration-image-covid-corona-pink-backgroundView licenseMERS Coronavirus Particle–Middle East Respiratory Syndrome Coronavirus particle envelope proteins immunolabeled with… https://www.rawpixel.com/image/2294161/free-photo-image-covid-virus-scienceFree Image from public domain licenseHand drawn microscope design element https://www.rawpixel.com/image/2417365/free-illustration-png-microscope-science-art-andView licenseCoronavirus cell under microscope design element vector set https://www.rawpixel.com/image/2319457/free-illustration-vector-covid-science-halftoneView licenseWilson Bentley's Snowflake 1205 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798880/free-photo-image-snowflake-crystal-winterFree Image from public domain licenseA medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government… https://www.rawpixel.com/image/2288553/free-photo-image-bacteria-virus-biologyFree Image from public domain licenseMicroscope png sticker, vintage object illustration on transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6487046/png-sticker-vintageFree PNG from public domain licenseMicroscopic Objects. Digitally enhanced from our own original edition of A History of the Earth and Animated Nature (1820)… https://www.rawpixel.com/image/411898/free-illustration-image-fossil-microscope-cellFree Image from public domain licenseWilson Bentley's Snowflake 10 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798891/free-photo-image-crystal-snowflake-vintageFree Image from public domain licenseSteward's microscope published by Henry Herbert (1872). Original from the British Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/561250/microscope-vintage-styleFree Image from public domain licensePNG Vintage microscope engraving illustration, transparent background https://www.rawpixel.com/image/561198/png-vintage-microscope-engraving-illustration-transparent-backgroundView licenseVintage microscopic virus and bacteria illustration set transparent png https://www.rawpixel.com/image/2319777/free-illustration-png-cell-vintage-science-drawingView licenseVintage marine life illustration transparent png https://www.rawpixel.com/image/2279745/free-illustration-png-coral-scientific-sea-creaturesView licenseCoronavirus disease COVID-19 pandemic https://www.rawpixel.com/image/2306724/free-illustration-image-covid-earth-corona-virusView licensePNG microscope watercolor education graphic digital sticker https://www.rawpixel.com/image/2910131/free-illustration-png-chemistry-school-digital-stickersView licenseCovid 19 vaccine development vector doodles illustration https://www.rawpixel.com/image/2850136/free-illustration-vector-science-covid-moneyView licenseWilson Bentley's Snowflake 482 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798882/free-photo-image-snowflake-snow-crystalFree Image from public domain licenseIllustration of chemistry laboratory instruments set https://www.rawpixel.com/image/250990/free-illustration-vector-chemistry-laboratory-lab-equipmentView licenseVaccine development png doodle illustration https://www.rawpixel.com/image/2854478/free-illustration-png-science-medicine-microscopeView licenseMonotone coronavirus cell under microscope design element on a white background vector set https://www.rawpixel.com/image/2319146/free-illustration-vector-covid-scienceView licenseA 3D graphical representation of a number of Rotavirus virions, set against a black background. https://www.rawpixel.com/image/2288315/free-photo-image-virus-public-domain-bacteriaFree Image from public domain licenseWilson Bentley's Snowflake 349 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798886/free-photo-image-microscope-snowflake-crystalFree Image from public domain licenseCoronavirus under a microscope on a pastel background illustration https://www.rawpixel.com/image/2308757/free-illustration-image-coronavirus-background-covid-purpleView licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2309489/free-illustration-image-covid-coronavirus-virusView licenseCollection of scientific equipments icon illustration https://www.rawpixel.com/image/462836/free-illustration-vector-laboratory-physics-biologyView licenseHand holding microscope png design element https://www.rawpixel.com/image/2867757/free-illustration-png-scientist-science-chemistryView licenseBlue coronavirus cell under microscope design element on a pink background vector https://www.rawpixel.com/image/2319340/free-illustration-vector-covid-virus-scienceView licenseHand drawn retro object sticker design element set https://www.rawpixel.com/image/2416937/free-illustration-png-retro-coffee-vectors-drawing-record-compassView licenseHand drawn retro object design element set https://www.rawpixel.com/image/2416892/free-illustration-png-hand-drawn-western-vintage-coffee-compassView licenseAn electron microscopic (SEM) image, depicts a blue-colored, human white blood cell, (WBC) known specifically as a… https://www.rawpixel.com/image/2288485/free-photo-image-blood-cells-bacteriaFree Image from public domain licensePNG Vintage tools set decoration illustration, transparent background https://www.rawpixel.com/image/561247/png-vintage-tools-set-decoration-illustration-transparent-backgroundView licenseCoronavirus cells under microscope design element on a pink background vector https://www.rawpixel.com/image/2318834/free-illustration-vector-halftoneView licenseHand drawn microscope isolated on background https://www.rawpixel.com/image/411086/free-illustration-image-microscope-biology-scientistView licenseSnowflake poster, vintage photograph of snowflakes (1890) in high resolution by Wilson Alwyn Bentley. 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Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292316/free-photo-image-eye-fire-circle-photography-red-abstractFree Image from public domain licenseVintage marine life illustration transparent png https://www.rawpixel.com/image/2279742/free-illustration-png-ernst-haeckel-sea-vintage-microscopicView licenseVintage marine life illustration transparent png https://www.rawpixel.com/image/2279741/free-illustration-png-ernst-haeckel-vintage-microscopic-adolf-glitschView licenseRed coronavirus cell design element on a blue background vector https://www.rawpixel.com/image/2319330/free-illustration-vector-corona-diseaseView licenseFloral and eige coronavirus background illustration https://www.rawpixel.com/image/2320647/free-illustration-psd-collage-washi-tape-designView licensePink and green novel coronavirus under the microscope on a white background psd mockup https://www.rawpixel.com/image/2320675/free-illustration-psd-corona-covid-coronavirusView licenseNovel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as… https://www.rawpixel.com/image/2294163/free-photo-image-virus-microbiology-scienceFree Image from public domain licenseA medical illustration of clindamycin–resistant group B Streptococcus bacteria. 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Free public domain CC0 image. https://www.rawpixel.com/image/6756198/png-sticker-vintageFree PNG from public domain licenseHalftone coronavirus set illustration vector https://www.rawpixel.com/image/2313178/free-illustration-vector-gradient-covidView licenseIllustration of chemistry laboratory instruments set https://www.rawpixel.com/image/251090/free-illustration-vector-chemistry-laboratory-equipmentView licenseBlack and white coronavirus cell under microscope design element https://www.rawpixel.com/image/2319157/free-illustration-png-covid-virusView licenseA 100X photomicrograph magnification of histopathologic morphology associated with the agriculturally–related… https://www.rawpixel.com/image/2288356/free-photo-image-microscope-antibody-virusFree Image from public domain licenseIllustration of hospital icons set https://www.rawpixel.com/image/390218/free-illustration-vector-dentist-bed-icon-scienceView licenseIllustration of hospital icons set https://www.rawpixel.com/image/389545/premium-illustration-vector-medical-icon-setView licenseDrs. Banting and Best In The Laboratory (1921) Dr. Banting standing, one hand on a dog, the other making notes on pad. Dr.… https://www.rawpixel.com/image/8782607/image-dog-person-vintageFree Image from public domain licenseCoronavirus and microscope png border with transparent background https://www.rawpixel.com/image/2867713/free-illustration-png-laboratory-science-chemistryView licenseBlue halftone coronavirus on pink background vector https://www.rawpixel.com/image/2309044/free-illustration-vector-laboratory-corona-halftoneView licenseMicroscopic mold. Original image sourced from US Government department: Public Health Image Library, Centers for Disease… https://www.rawpixel.com/image/2282521/free-photo-image-mold-bacteria-cdcFree Image from public domain licenseWhite coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2282546/free-photo-image-cell-science-virusFree Image from public domain licenseVintage microscope engraving vector https://www.rawpixel.com/image/561228/microscope-vintage-styleView licenseVintage Victorian style microscope engraving https://www.rawpixel.com/image/556632/vintage-microscope-illustrationView licenseIllustration of hospital icons set https://www.rawpixel.com/image/389065/free-illustration-vector-syringe-medical-icons-nurseView licenseIllustration of chemistry laboratory instruments set https://www.rawpixel.com/image/251071/free-illustration-vector-chemistry-chemical-science-laboratoryView licenseA Great Green Bush Cricket (Tettigorica viridissima Linneaeus), A Clioniona Spider, and a Beetle https://www.rawpixel.com/image/9085108/image-art-watercolors-vintageFree Image from public domain licenseNegative blood during treatment does not mean cure Continue treatment until discharged : New York State Department of Health. https://www.rawpixel.com/image/8648604/image-art-vintage-public-domainFree Image from public domain license