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Bronze statue of Nicolaus Copernicus on a stone bench in Olsztyn, Masuria, Poland
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Bronze statue of Nicolaus Copernicus on a stone be...

Count Fyodor Petrovich Litke, born Friedrich Benjamin Lütke, 1797 - 1882, Russian navigator,
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Count Fyodor Petrovich Litke, born Friedrich Benja...

Historical optical instruments and principles, diagrams showing light refraction, reflection and
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Historical optical instruments and principles, dia...

Technical drawings of clockworks and water wheels marked by the names Huyghens and Fourneyron as
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Technical drawings of clockworks and water wheels ...

The schematic illustration of Alexander Graham Bell's early telephone set from 1877. It illustrates
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The schematic illustration of Alexander Graham Bel...

Lithography shows various types of scales and measuring device devices, various scale designs,
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Lithography shows various types of scales and meas...

Astronomy, dimensions of the planets, seasons, space, Earth orbit, illustration, reproduction from
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Astronomy, dimensions of the planets, seasons, spa...

Historical presentation of color theory, which illustrates the experiments of Isaac Newton and
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Historical presentation of color theory, which ill...

Drawings that illustrate the function of various pumps. Suction pump, pressure pump, fire
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Drawings that illustrate the function of various p...

Hermann Ludwig Ferdinand von Helmholtz (1821-1894) was a German physiologist and physicist.
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Hermann Ludwig Ferdinand von Helmholtz (1821-1894)...

Educational board that illustrates various simple machines and physical principles using everyday
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Educational board that illustrates various simple ...

Historical presentation of various simple machines and lifting mechanisms, pulleys with rollers and
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Historical presentation of various simple machines...

Figure shows various principles of mechanics and engineering that were developed or described by
BRK26B84_238

Figure shows various principles of mechanics and e...

The illustration shows the first X-ray image of a human hand, which was taken by Wilhelm Conrad
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The illustration shows the first X-ray image of a ...

Karl Marx (1818-1883) a German philosopher, economist, historian, sociologist, political theorist,
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Karl Marx (1818-1883) a German philosopher, econom...

Combustion, in chemistry and physics, an exothermic redox reaction in which a combustible substance
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Combustion, in chemistry and physics, an exothermi...

The historical developments and functions of various telescopes from 1590 to 1645, Janszon 1590:
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The historical developments and functions of vario...

Schematic diagrams of various electrical measuring device devices and circuits. Various types of
BRK26B84_229

Schematic diagrams of various electrical measuring...

The planetary system and the earth in zoning of solar radiation, Earth's orbit in space,
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The planetary system and the earth in zoning of so...

Teaching chart on optics and illustrates various optical principles in connection with the human
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Teaching chart on optics and illustrates various o...

Representations of various physical and hydraulic devices as well as principles, piston pump,
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Representations of various physical and hydraulic ...

A historical educational panel with schematic representations of inventions in the field of
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A historical educational panel with schematic repr...

Scientific apparatus for demonstrating physical principles such as pressure, vacuum and the
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Scientific apparatus for demonstrating physical pr...

Illustration of Morse telegraphy developed in 1835, principle of electrical signal transmission and
BRK26B84_224

Illustration of Morse telegraphy developed in 1835...

Illustration shows various historical electrostatic generators and devices for generating and
BRK26B84_227

Illustration shows various historical electrostati...

The phases of the moon and the mechanisms of solar and lunar eclipses, the top shows how eclipses
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The phases of the moon and the mechanisms of solar...

Schematic diagram of James Watt's steam engine from 1769, This engine was the first historically
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Schematic diagram of James Watt's steam engine fro...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Joseph Ritter von Fraunhofer, 1787 – 1826, German physicist and optical lens
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Portrait of Joseph Ritter von Fraunhofer, 1787 – 1...

Galileo Galilei before the Roman Inquisition, 1632
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Galileo Galilei before the Roman Inquisition, 1632

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited after
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Portrait of Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in
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Portrait of Thomas Henry Huxley, 1825 – 1895, Engl...

Diverse group of smiling university students walking down outdoor stairs on campus together,
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Diverse group of smiling university students walki...

Portrait of Sir Francis Bacon, Baron Baco of Verulam, 1561 - 1626, English lawyer, statesman,
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Portrait of Sir Francis Bacon, Baron Baco of Verul...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Group of young, multi ethnic university students with backpacks ascending outdoor stairs at a
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Group of young, multi ethnic university students w...

Galileo Galilei, 1564 - 1642, Italian astronomer, handwritten scientific notes
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Galileo Galilei, 1564 - 1642, Italian astronomer, ...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
BRK26B87_166

Thomas Henry Huxley, 1825 – 1895, English biologis...

Telephone transmitter mechanism by Johann Philipp Reis, 1834 – 1874, German scientist and inventor
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Telephone transmitter mechanism by Johann Philipp ...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited after
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer
BRK26B85_436

Justus Freiherr von Liebig, 1803 – 1873, German ch...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
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Georg Balthazar von Neumayer, Ritter von Neumayer,...

Galileo Galilei, 1564 - 1642, Italian astronomer
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Galileo Galilei, 1564 - 1642, Italian astronomer

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
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Thomas Henry Huxley, 1825 – 1895, English biologis...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
BRK26B89_086

Thomas Henry Huxley, 1825 – 1895, English biologis...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
BRK26C02_123

Georg Balthazar von Neumayer, Ritter von Neumayer,...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited
BRK26B85_432

Justus Freiherr von Liebig, 1803 – 1873, German ch...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
BRK26B87_169

Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Richard Porson, 1759-1808, an English classical scholar
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Richard Porson, 1759-1808, an English classical sc...

Galileo Galilei, 1564, 1642, Italian astronomer
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Galileo Galilei, 1564, 1642, Italian astronomer

Scientists of the 19th century, (left to right): Michael Faraday, Thomas Henry Huxley, Charles
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Scientists of the 19th century, (left to right): M...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, digitally edited
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist
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Aristotle, 384-322 BC, ancient Greek philosopher a...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Atlas of Geomagnetism showing magnetic meridian curves and equilibrium lines, convergence of
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Atlas of Geomagnetism showing magnetic meridian cu...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist
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Aristotle, 384-322 BC, ancient Greek philosopher a...

Marie-Sophie Germain, 1776 –1831, French mathematician, physicist and philosopher, digitally edited
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Marie-Sophie Germain, 1776 –1831, French mathemati...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer
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Justus Freiherr von Liebig, 1803 – 1873, German ch...

Aristotle, 384-322 BC, ancient Greek philosopher and scientist, digitally altered
BRK26B81_449

Aristotle, 384-322 BC, ancient Greek philosopher a...

Justus Freiherr von Liebig, 1803 – 1873, German chemist and scientist, father of the fertilizer
BRK26B85_437

Justus Freiherr von Liebig, 1803 – 1873, German ch...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Atlas of Geomagnetism showing lines of magnetic declination, isogonic lines or isogonic chart, for
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Atlas of Geomagnetism showing lines of magnetic de...

Atlas of Geomagnetism showing horizontal intensity of the Earth's magnetic field for the epoch
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Atlas of Geomagnetism showing horizontal intensity...

Galileo Galilei, 1564 - 1642, Italian astronomer
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Galileo Galilei, 1564 - 1642, Italian astronomer

Bust of Marie-Sophie Germain, 1776 –1831, French mathematician, physicist and philosopher,
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Bust of Marie-Sophie Germain, 1776 –1831, French m...

Johann Philipp Reis, 1834 – 1874, German scientist and inventor, digital edited
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Johann Philipp Reis, 1834 – 1874, German scientist...

Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in comparative
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Thomas Henry Huxley, 1825 – 1895, English biologis...

Portrait of Sir Francis Bacon, Baron Baco of Verulam, 1561 - 1626, English lawyer, statesman,
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Portrait of Sir Francis Bacon, Baron Baco of Verul...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
BRK26C02_116

Georg Balthazar von Neumayer, Ritter von Neumayer,...

Michael Faraday, 1791 - 1867, an English scientist
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Michael Faraday, 1791 - 1867, an English scientist

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
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Portrait of Georg Balthazar von Neumayer, Ritter v...

Telephone transmitter mechanism by Johann Philipp Reis, 1834 – 1874, German scientist and inventor
BRK26B88_426

Telephone transmitter mechanism by Johann Philipp ...

Portrait of Thomas Henry Huxley, 1825 – 1895, English biologist and anthropologist, specialized in
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Portrait of Thomas Henry Huxley, 1825 – 1895, Engl...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
BRK26C02_122

Georg Balthazar von Neumayer, Ritter von Neumayer,...

Portrait of Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer,
BRK26C02_126

Portrait of Georg Balthazar von Neumayer, Ritter v...

Justus Freiherr von Liebig, German chemist and scientist, digitally edited, in his laboratory at
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Justus Freiherr von Liebig, German chemist and sci...

Portrait of Sir Francis Bacon, Baron Baco of Verulam, 1561 - 1626, English lawyer, statesman,
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Portrait of Sir Francis Bacon, Baron Baco of Verul...

Atlas of Geomagnetism showing magnetic Isoclinic lines or aclinic lines, for the epoch 1885,
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Atlas of Geomagnetism showing magnetic Isoclinic l...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
BRK26C02_127

Georg Balthazar von Neumayer, Ritter von Neumayer,...

Ir Isaac Newton, 1642-1726, an English physicist and mathematician
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Ir Isaac Newton, 1642-1726, an English physicist a...

Bust of Marie-Sophie Germain, 1776 –1831, French mathematician, physicist and philosopher,
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Bust of Marie-Sophie Germain, 1776 –1831, French m...

Georg Balthazar von Neumayer, Ritter von Neumayer, 1826 – 1909, German polar explorer, geographer
BRK26C02_115

Georg Balthazar von Neumayer, Ritter von Neumayer,...

Atlas of Geomagnetism showing horizontal intensity of the Earth's magnetic field for the epoch
BRK26C02_121

Atlas of Geomagnetism showing horizontal intensity...

Celestial map entitled Hæmisphærium Stellatum Boreale Antiqvum, The Northern Stellar Hemisphere of
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Celestial map entitled Hæmisphærium Stellatum Bore...

Planisphaerium Braheum, a famous historical celestial map illustrating the geo-heliocentric world
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Planisphaerium Braheum, a famous historical celest...

Historical copper engraving entitled Phases of the Moon comes from the famous celestial atlas
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Historical copper engraving entitled Phases of the...

Sky map of the northern sky, known as Hemisphaerium Boreale or Northern Stellar Hemisphere, from
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Sky map of the northern sky, known as Hemisphaeriu...

Historical astronomical map Theoria Lunae, Eius Motum per Eccentricum et Epicyclum Demonstrans, The
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Historical astronomical map Theoria Lunae, Eius Mo...

Close-up of a great tit (Parus major), young researcher checks breeding spot and nutritional status
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Close-up of a great tit (Parus major), young resea...

Planisphaerium of Aratos from the famous celestial atlas Harmonia Macrocosmica by Andreas Cellarius
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Planisphaerium of Aratos from the famous celestial...

Historical illustration of the orbits of Mercury and Venus, which demonstrates the geoheliocentric
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Historical illustration of the orbits of Mercury a...

Historical sky map known as Scenographia Systematis Mundani Ptolemaic. It is a representation of
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Historical sky map known as Scenographia Systemati...

Sky map Hemisphaerii Borealis Coeli et Terrae Sphaerica Scenographia, spherical representation of
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Sky map Hemisphaerii Borealis Coeli et Terrae Spha...

Scenographia Systematis Copernicani, scenography of the Copernican system. It comes from the
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Scenographia Systematis Copernicani, scenography o...

Eurasian jay (Garrulus glandarius) nipping a young scientist's hand during a survey during a
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Eurasian jay (Garrulus glandarius) nipping a young...

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