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Leonardo's Da Vinci engineering drawing from 1503 on textured background.
this is very old Chinese traditional herbal medicine ancient book(Golden Mirror of Medicine),from qing dynasty have more than 200 years(maybe 18th century).the book records the use of acupuncture,herbal medicine and book of changes with chinese script.It is preserved complete by one chinese doctor of my grandfather.
Construction of three-dimensional polygons according to the rules of descriptive geometry.
1900's hand drawn clock work schematic.
Close Up on Hand of Old Renaissance Male Using Ink and Quill to Write New Ideas. Dedicated Historian Taking Notes, Writing a Book about the Important and Innovative Eras in the History of Humanity
Renaissance and da Vinci style sketch of modern private jet
Forensic signature analysis, fictitious signature on craft paper with markings, close-up
Mathematical  seamless pattern background with formulas, equations and figures, handwritten in a notebook
geometry drawing on page of old yellow book as background, algebra book as background
vintage blueprint background of a circular equipment schematic.altered to make more generic.
Manuscript, drawings, blueprints by Leonardo Da Vinci in the old book The Codice Sul Volo, by E. Rouveyre , 1901
5G/6G and AI technology, Global communication network concept. 6G Business graph. Global business.
Engineer holding a postcard of formulas about noise reduction in buildings structures - noise pollution concept
Engineering drawing
Sheet of paper with different mathematical formulas, closeup
Geometry homework and set square
geometry drawing on page of old yellow book as background, algebra book as background
Vintage blueprint showing machine part detail, made more generic with space for copy
Manuscript, drawings, blueprints by Leonardo Da Vinci in the old book The Codice Sul Volo, by E. Rouveyre , 1909
Geometric shapes puzzle with geometric objects on textured paper.
School student's notes on physics, in a school notebook about the about acceleration and deceleration processes
background with hand written electrotechnics formulas with diagrams and plans of basic electrotechnics setups and sketches on white paper background,
School background. Technological engineering invention. Physics and mathematics .Formulas and drawings. illustration.
Mathematical seamless pattern background with formulas, equations and figures, handwritten in a notebook
Close up of maths equations on a school whiteboard
 a beam chart from an antique machinery data book showing light beam performance dates 1903
Manuscript, drawings, inscriptions, birds by Leonardo Da Vinci in the old book The Codice Sul Volo, by E. Rouveyre , 1943
Engraved illustrations of Theories of Force and Gravity; Demonstrations of These and Other Physical Laws from Iconographic Encyclopedia of Science, Literature and Art, Published in 1851. Copyright has expired on this artwork. Digitally restored.
3D illustration of industrial building
Digital Abstract Background Concept
Free Images: "bestof:The Kinematics of Machinery Fig 1.png en Hand-drawn diagram by James Watt explaining his discovery of the parallel motion in a letter to his Sohn The idea"
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Principles of Psychology (James) v1 p56.png
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Iliad -Greek-. - Upper cover (c19c28).jpg
P Terentii Afri comediae sex.. - Upper cover (c46e21).jpg
1741_Covens_and_Mortier_Map_of_the_Northern_Hemisphere_(_North_Pole,_Arctic_)_-_Geographicus_-_NorthPole-covensmortier-1741.jpg
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Arthur_Capel,_1st_Earl_of_Essex,_and_Elizabeth_Percy,_Countess_of_Essex.jpg
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