The Hero of Alexandria's design for a pneumatic organ.
The Hero of Alexandria's method of opening and shutting temple doors.
The Hero of Alexandria's method of emptying a vessel by means of a siphon.
Action and reaction by use of a reconstruction of he steam engine developed by Hero of Alexandria.
Hero of Alexandria demonstrating his aeolipile.
A reconstruction of Hero's steam engine.
The Hero of Alexandria's method of secretly setting fire to sacrifice on altar.
Hero of Alexandria's steam engine
Archimedes sitting in his bath.
Various hairstyles and head dresses of the ancient world.
Imaginative reconstruction of Ptolemy of Alexandria in his observatory.
Imaginative reconstruction of Hipparchus in his observatory in Alexandria.
Simeon Denis Poisson.
Gemma Frisius.
A section of Ptolemy's catalogue of stars.
Pythagoras.
The great lighthouse of Alexandria.
Richard Pendlebury.
Cleopatra's Needle being prepared to be shipped to New York.
Cleopatra's Needle being shipped to England.
Cleopatra's Needle being prepared to be shipped to England.
Cleopatra's Needle being placed into position in Central Park, New York.
Cleopatra's Needle in New York.
Cleopatra's Needle as it stood in Alexandria.
The four sides of Cleopatra's Needle as it stood in Alexandria.
Ptolemy of Alexandria.
The path of a projectile according to Niccolo Fontana Tartaglia.
The Robert brothers helping Professor Jacques Charles.
Heron/Hero of Alexandria, mathematician
Ptolemy of Alexandria's map of the then known world.
Marin Mersenne performing an experiment.
Pythagoras (c560-c480 BC)
Hipparchus in the Observatory of Alexandria, Egypt, Illustration, Cyclopaedia of Universal History, Volume 1, The Ancient World, by John Clark Ridpath, the Jones Brothers Publishing Company, 1885
Silvio Belli's Treaty of Proportion.
Greek illustration depicting the four elements.
Euclid of Alexandria
Galen.
James Watt's parallel motion.
Oliver Heaviside, British physicist
Gauss and Weber, telegraph inventors
Ptolemy in Alexandria observatory, illustration
Henry Coley.
Arthur Cayley.
肖像画
Giuseppe Piazzi's refracting telescope with achromatic lens.
Frontispiece of Giuseppe Piazzi's catalogue of star positions.
The suggested sites for Cleopatra's Needle in London.
WATER ORGAN, 2ND CENT. B.C.
An experiment conducted by Philo of Byzantium.
Pythagoras, Ancient Greek mathematician
Gerardus Mercator, Flemish cartographer
Archimedes (c287-212 BC)
Cataract of the Nile River near Alexandria.
Death of Hypatia, Ancient Greek philosopher, illustration
The Al-massalla obelisk at Heliopolis.
Hypatia, female mathematician
James Watt's steam engine.
The governor of James Watt's steam engine.
The end beam of James Watt's steam engine.
James Watt's sun-and-planet gears.
John Couch Adams
The Pyramids of Giza and the Sphinx.
The Pyramids of Giza.
Pierre-Simon Laplace's nebula hypothesis.
Benjamin Peirce.
Blaise Pascal.
Denis Papin.
Boatmen of the Weser destroying Denis Papin's steam engine.
The unveiling of the statue of Denis Papin.
John Robison.
Xenocrates, Ancient Greek philosopher
Sir Christopher Wren
Ancient Egyptian plaque, playing instruments.
The arrangement of lenses in Galileo Galilei's telescope.
The arrangement of lenses in Johannes Kepler's telescope.
A refracting telescope on an iron stand and fitted with a finder.
The departure of Cleopatra's Needle from Egypt to be given to the British Government by Mehmet Ali passh.
Plutarch.
Portrait of Saint Athanasius of Alexandria
Charles Townley, British antiquarian
The completion of Cleopatra's Needle in London.
Jedediah Buxton, English mathematician
Gilbert Romme.
George Boole, British mathematician
Archimedes in his bath.
KARL FRIEDRICH GAUSS
The trajectory of a cannon ball.
Claudius Ptolemaeus, Greek astronomer
Gaspard Monge, French mathematician
Cross-section of the astronomical observing platform within the Great Pyramid of Cheops at Giza.
An archaeological look at the Egyptian Question.
The Colonnade at Luxor.
The entrance to the town of Luxor.
The Pyramid of Meydoon.
Experiment designed to measure the force of a falling body according to Newton's Law of Universal Gravitation.
Hydrodynamics, from Galileo.
Francesco Lana de Terzi's idea for a flying boat.
Atmospheric refraction.
Diagram depicting a multiple Archimedean screws powered by a water wheel.
A map of the Moon.
Sir David Brewster
A scene from Lewis Carroll's 'Through the Looking-Glass, and What Alice Found There'.
Adrian Metius, Dutch astronomer, 19th century illustration
An experiment involving an inclined plane used to demonstrate the action of gravity on a falling body.
One of Evangelista Torricelli's experiments on barometric pressure.
Godgrey William Leibnitz
Joseph Louis Lagrance Count De L'Empire
Ornament From A Koran Of The Time Of Scha'aban. Egypt, Engraving 1879
X-ray images of the legs of an ancient Egyptian mummy.
Bust of Plato a philosopher and mathematician in Classical Greece
Andre-Marie Ampere, French physicist
A map of the moon based on observations.
Seth Ward
Hypatia, mathematician and philosopher
The explanation by Caspar Schott of how he thought the Egyptian priest used the principle of the camera obscura to display miraculous messages.
Karl Weierstrass.
Alexandria
Ptolemy, Greek astronomer
Archimedes, caricature
James Watt.
The condenser of James Watt's steam engine.
The steam indicator of James Watt's steam engine.
Old Egyptian Musicians. Egypt, Engraving 1879
Robert Stirling Newall's 25 - inch refractor.
Imaginative realisation of Newton's 'Steam Engine'.
A Brewster Stereoscope.
The inside of a tomb at Thebes.
The Great Pyramid of Cheops at Giza.
The Valley of the Kings at Thebes, Egypt.
Chart showing the evolution of the alphabetic symbols.
The bust of a Roman Nobleman or Emperor.
The ruins of an ancient Greek theatre at Syracuse.
Lysias, Ancient Greek orator
Urbain Jean Joseph Le Verrier, right, received by King Louis-Philippe, left, at The Tuileries, Paris, France, after his discovery of the planet Neptune in 1846
Bertrand Arthur William Russell, 3rd Earl Russell, 1872 1970
William Leybourn, English land surveyor
The Aristotelian concept of the path of a projectile.
The Aristotelian concept of the path of projectile.
A bust of Plato.
Aristotle.
Aristotelian concept of the path of a projectile.
Bust of Plato
Euclid, Ancient Greek mathematician
The Grand Theodolite.
Pythagoras Of Samos
Ancient Greek coins, illustration
Blaise Pascal, French mathematician
James Mills Peirce, US mathematician
GEORGE EVEREST (1790-1866).
Ornament. Egypt, Engraving 1879
The interior of the Temple of Apollinopolis in Aswan.