Large telescope, 19th century
Foucault telescope, 19th century
Newtonian telescope, 19th century
Lick Observatory telescope, 19th century
Lick Observatory telescope, USA, 19th Century illustration
Herschel's 40 foot telescope, 19th Century illustration
Mounted quadrant, 17th century
Telescopes, 1807
Great Comet of 1881, 19th-century illustration
Invention of the telescope, 16th century
Lighthouse electric light, 19th century
Telescope mount casting, 19th century
Changing orientation of Saturn's rings, 19th century
Tubeless telescope described by Huygens, 17th century
Vatican Observatory, 19th Century illustration
Kirchhoff-Bunsen spectroscope, 19th century
Telescopes, historical artwork
19th Century parallactic telescope, illustration
Hartwell Observatory, 19th century
Polarising filters, 19th century
Solar system's outer planets, 19th century
Great Horizontal Telescope, illustration
Moissan furnace, 19th century
Ammeter and shunt, 19th century
Lawson's telescope, 1853
Telescope, 1692 artwork
Equinox tide, 19th Century illustration
Large storage battery, 19th century
Fraunhofer telescope, artwork
Surface of Mars, 19th century
Surface of Venus, 19th century
Inhabitants of Venus, 19th century
Representation of the Sun in the zodiac, 19th century
Representation of Mercury in the zodiac, 19th century
Representation of Jupiter in the zodiac, 19th century
Optics of a plane mirror, 19th century
Optics of a concave reflector, 19th century
Optics of a divergent lens, 19th century
Leviathan of Parsonstown
Galileo demonstrating his telescope in 1609
Optical telegraphy, 19th century
18th Century microscope, artwork
Foucault's telescope, illustration
Lightning rods, 19th century
Paris observatory, 19th Century illustration
Ohmmeter, 19th century
Optical aberration, 19th century
Chromic acid battery, 19th century
Voltmeter recorder, 19th century
Electricity meter, 19th century
Siemens dynamo, 19th century
Foucault interrupter, 19th century
Lippmann electrometer, 19th century
Electricity generator, 19th century
Gramme dynamo, 19th century
Zipernowsky transformer, 19th century
Pellat electrodynamometer, 19th century
European Extremely Large Telescope
Ammeter and recorder, 19th century
Decade resistance box, 19th century
Edison's phonograph, 19th century
Holtz electrostatic induction generator, 19th century
Wimshurst electrostatic generator, 19th century
Maximum-minimum thermometer, 19th century
Gas liquefaction machine, 19th century
Thermal expansion measurement, 19th century
Foucault pendulum, 19th century
Optics of a biconvex lens, 19th century
Optics of a convergent lens, 19th century
Magic lantern, 19th century
Solar spectroscopy, 19th century
Northumberland Telescope diagram
Solar spectra, 19th century illustration
Equatorial telescope, illustration
18th Century astronomer, artwork
Astronomy research, 17th century
Stonyhurst disk for sunspots, 1893
Whirlpool Galaxy, 1850 artwork
Lord Rosse's 3-foot telescope, Ireland
A Magic Lantern, 18th century illustration
Scientific equipment, historical artwork
Paris observatory, 1891 illustration
Herschel's 40-foot telescope, 1789
Kepler Mission space telescope, artwork
Representation of Venus in the zodiac, 19th century
Optics experiment, historical artwork
Microscopes, historical artwork
Early electric engine, 19th Century illustration
Meridian mark, 19th century
Tycho Brahe's triangular sextant, illustration
Compound spectroscope, 19th century illustration
Total solar eclipse, 19th C illustration
English astronomer, 19th century
James Webb Space Telescope, illustration
Telephone operator, 19th century
INTEGRAL gamma ray space telescope, illustration
Phases of Venus, 19th-century diagram
19th Century electricity demonstration
Lissajous figures, 19th century
Herschel's infrared light discovery, 1800
Peter Dollond, British optician
Satellite dish, illustration
Satellite dishes, illustration
Meudon Grand Lunette observatory
Interior of the Radcliffe Observatory, 1814
Spectrum of light experiment, 19th century
Light fountain experiment, 19th century
Newton's birthplace, Woolsthorpe Manor
Berthelot and thermodynamics, 19th century
Jupiter, 19th Century image
Astronomer, 19th century illustration
Ruhmkorff coil, 19th century
Electrical spark, 19th century
Notes on Davey safety lamp, 19th century
Lunar halo and moon dogs, 19th century
Camera lucida, 19th century illustration
Representation of Mars in the zodiac, 19th century
High-precision mass balance, 19th century
Gas pressure experiment, 19th century
Great Comet of 1881, illustration
Diving bells, 19th century
Yohkoh solar observatory, illustration
Herschel's 20-foot telescope, 19th century illustration
Plurality of worlds in Wright's theory of the universe, 1750
Milky Way in Wright's theory of the universe, 1750
James Webb Space Telescope, artwork
Newton's telescope, historical artwork
Mercury orbit hypotheses, 19th century
BICEP2 telescope, artwork
Mechanical colour test, 19th century
Heinz lead-acid battery, 19th century
Acetylene production, 19th century
Henrich Ruhmkorff, German inventor
Hauksbee electrostatic generator, 1709
Holtz electrostatic generator, 1865
Plante accumulator battery, 1859
Thomson galvanometer, 1850s
Deprez-d'Arsonval galvanometer, 1882
Light bulb, historical artwork
Timer meter, historical artwork
Telegraph galvanometer, 19th century
Meteor and other phenomena, 1846
Otto gas engine, 19th century
Benier gas engine, 19th century
Bisschop gas engine, 19th century
Francois gas engine, 19th century
Charon gas engine, 19th century
Koerting-Lieckfield engine, 19th century
Ravel gas engine, 19th century
18th Century astronomical diagrams
Allen Telescope Array at night, artwork
Solar prominences, 19th-century illustration
Zodiacal light, 19th-century illustration
Milky Way, 19th-century illustration
Lunar liquid mirror telescope, artwork
The Sun, 17th Century illustration
Early electric telegraph machine, 19th Century illustration
Early electric telegraph receiver, 19th Century illustration
Sparkling globe, 19th century
19th Century phonograph, illustration
Star clusters in Hercules, 19th-century illustration
19th Century steam crane, illustration
Electrostatic generator sparks, 18th century
Hughes' carbon microphone, 19th century