Caulophyllum thalictroides 3, Blue Cohosh flower, Howard County, MD, Helen Lowe Metzman https://www.rawpixel.com/image/8756833/photo-image-flower-plant-public-domainFree Image from public domain license
Exhibit at the First Symposium on Low Pollution Power Systems Development Held at the Marriott Motor Inn, Ann Arbor Vehicles… https://www.rawpixel.com/image/8770759/photo-image-flower-plant-woodFree Image from public domain license
Tallulah laboratory, La., with one of the attendants. Photograph. https://www.rawpixel.com/image/13976321/tallulah-laboratory-la-with-one-the-attendants-photographFree Image from public domain license
Goodyera pubescens, leaf, Rattlesnake-plantain, Howard County, MD Helen Lowe Metzman https://www.rawpixel.com/image/8756788/photo-image-plant-leaf-public-domainFree Image from public domain license
Amphicarpa bracteata, hog-peanut flower wrapped around Polystichum acrostichoides, Christmas fern, Howard County, MD https://www.rawpixel.com/image/8755994/photo-image-flower-plant-leafFree Image from public domain license
Lasioglossum paraforbesii, F, face, Pennington Co., S. DakotaFrom the Badlands of South Dakota...Lasioglossum paraforbesii. https://www.rawpixel.com/image/8756705/photo-image-public-domain-bee-animalFree Image from public domain license
[Untitled photo, possibly related to: Laboratory, Department of Agriculture Experimental Farm, Beltsville, Maryland].… https://www.rawpixel.com/image/12308396/image-person-technology-public-domainFree Image from public domain license
Asclepias tuberosa, butterfly-weed or Pleurisy root, Howard County, MD, Helen Lowe Metzman https://www.rawpixel.com/image/8756886/photo-image-flower-plant-public-domainFree Image from public domain license
Agapostemon virescens, f, face, Caroline Co. MDMore Green Bees. This is a common one, one of the commonest summer bees in… https://www.rawpixel.com/image/8756928/photo-image-public-domain-bee-greenFree Image from public domain license
A laboratory (a museum reconstruction), with a display of historical pharmaceutical equipment, Germany. Photograph… https://www.rawpixel.com/image/14009155/photo-image-person-man-public-domainFree Image from public domain license
Determining butterfat content of samples of milk in laboratory of creamery. Antigo, Wisconsin. Sourced from the Library of… https://www.rawpixel.com/image/12336489/image-person-technology-public-domainFree Image from public domain license
Hieracium venosum 2, Rattlesnake hawkweed, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8755919/photo-image-flower-plant-lightFree Image from public domain license
Rotary evaporator, science background https://www.rawpixel.com/image/7640929/rotary-evaporator-science-backgroundView license
Wellcome Historical Medical Museum, Wigmore Street, London: reconstruction of a sixteenth-century alchemist's laboratory.… https://www.rawpixel.com/image/13986935/photo-image-person-church-swordFree Image from public domain license
The laboratory of J.B. Boussingault in Liebfrauenberg abbey, Gœrsdorf, France: interior. Photograph. https://www.rawpixel.com/image/13974474/photo-image-person-fireplace-hospitalFree Image from public domain license
Laboratory medicine adult hand. AI generated Image by rawpixel. https://www.rawpixel.com/image/12013246/photo-image-hand-person-medicineView license
Taking samples for Babcock test for butterfat at the Dairymen's Cooperative Creamery. Caldwell, Canyon County, Idaho by… https://www.rawpixel.com/image/12151002/image-person-art-vintageFree Image from public domain license
Ageratina altissima 3, White Snakeroot, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8756546/photo-image-flower-plant-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Laboratory, Department of Agriculture Experimental Farm, Beltsville, Maryland].… https://www.rawpixel.com/image/12308269/image-light-road-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Kingman (vicinity), Arizona. Mr. Relling, in the laboratory, analyzing tungsten ore… https://www.rawpixel.com/image/12339484/image-face-plant-handFree Image from public domain license
Nomada maculata, m, left side, Charles Co. MarylandThe only bidentate Nomada I feel comfortablish identifying. https://www.rawpixel.com/image/8756877/photo-image-public-domain-bee-animalFree Image from public domain license
Keysville, Virginia. Randolph Henry High School. Equipment in chemistry class. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297104/photo-image-person-book-public-domainFree Image from public domain license
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Models made by children in project study, Arthurdale, West Virginia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12255893/photo-image-technology-public-domain-childrenFree Image from public domain license
Christiansted, Saint Croix Island, Virgin Islands. Science class at the Chrisitansted high school. Sourced from the Library… https://www.rawpixel.com/image/12281184/photo-image-person-shirt-technologyFree Image from public domain license
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[Untitled photo, possibly related to: Kingman (vicinity), Arizona. Mr. Relling, scientist in the laboratory of a… https://www.rawpixel.com/image/12297290/photo-image-face-plant-handFree Image from public domain license
U.S. Naval Academy, Annapolis, Maryland. Class in physics. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289254/photo-image-hand-person-shirtFree Image from public domain license
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Acquiring information from scientist. United States Department of Agriculture (USDA). Washington, D.C.. Sourced from the… https://www.rawpixel.com/image/12272554/photo-image-person-public-domain-manFree Image from public domain license
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Christiansted, Saint Croix Island, Virgin Islands. In the laboratory at the Christiansted hospital. Sourced from the Library… https://www.rawpixel.com/image/12279892/photo-image-person-public-domain-hospitalFree Image from public domain license
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[Untitled photo, possibly related to: Christiansted, Saint Croix Island, Virgin Islands. Science class at the Chrisitansted… https://www.rawpixel.com/image/12279867/photo-image-hand-person-public-domainFree Image from public domain license
[Untitled photo, possibly related to: U.S. Naval Academy, Annapolis, Maryland. Studying a testing device]. Sourced from the… https://www.rawpixel.com/image/12289529/photo-image-person-shirt-public-domainFree Image from public domain license
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Keysville, Virginia. Randolph Henry High School. Equipment in a chemistry class. Sourced from the Library of Congress. https://www.rawpixel.com/image/12296828/photo-image-person-public-domain-manFree Image from public domain license
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Junior cooperative at Greenbelt. Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12274631/photo-image-person-public-domain-factoryFree Image from public domain license
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Test tubes containing bovine tubercular bacteria at Division of Pathology, United States Department of Agriculture… https://www.rawpixel.com/image/12266972/photo-image-public-domain-laboratoryFree Image from public domain license
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[Untitled photo, possibly related to: U.S. Naval Academy, Annapolis, Maryland. Studying an engine]. Sourced from the Library… https://www.rawpixel.com/image/12289374/photo-image-people-shirt-public-domainFree Image from public domain license