Science Source ftp Apr 2015

A 14th century smith shapes copper. A coppersmith, also known as a redsmith, is a person who makes artifacts from copper. The term redsmith comes from...

The smiths in this 15th century manuscript are hammering metal into shape over a solid iron anvil, their tools hanging behind them. Smiths workshops w...

These workmen are cutting a large piece of wood with a two-handed saw. Two-man crosscut saws were primarily important when human power was used. Such...

The Bronze Age is a period characterized by the use of copper and its alloy bronze as the chief hard materials in the manufacture of some implements a...

The Bronze Age is a period characterized by the use of copper and its alloy bronze as the chief hard materials in the manufacture of some implements a...

Bronze age warriors were the first knights. Horseback riding became widespread in the late Bronze Age and the men used slashing swords for fighting. T...

Iron Age blacksmiths at work. The Iron Age is the period in cultural development succeeding the Bronze Age in Asia, Europe, and Africa, characterized...

In Ancient Roman warfare, the testudo or tortoise formation was a formation used commonly by the Roman Legions during battles, particularly sieges. Te...

Trepanning woodcut from Guiso de Vigevano's Anatomia, 1345. Trepanning is a surgical intervention in which a hole is drilled or scraped into the human...

Caption reads: Baron Shusien's driver caught a strange animal. Confucius declares it was a unicorn. No artist or date given. The unicorn is a legendar...

This woodcut has been attributed to two artists. "Life of the Children of the Moon" by Georg Pencz (1500-1550), in the Folge der Planeten and "The Moo...

Upper portion of woodcut (see BV0761 for full) attributed to two artists. "Life of the Children of the Moon" by Georg Pencz (1500-1550), in the Folge...

Lower portion of woodcut (see BV0761 for full) attributed to two artists. "Life of the Children of the Moon" by Georg Pencz (1500-1550), in the Folge...

Mid-nineteenth century painting by Paul Kane showing a Chinook woman and child, showing their method of flattening children's heads with an apparatus...

George Washington Carver (1864-1943), circa 1938. Carver was an African-American scientist, botanist, educator, and inventor born into slavery in Miss...

The only oil painting ever posed for by Carver. He is holding a hybrid amaryllis he had developed through cross pollination. Painting by Betsy Graves...

Cather at the age of 28. Willa Sibert Cather (December 7, 1873 - April 24, 1947) was an American author who achieved recognition for her novels of fro...

Count Alessandro di Cagliostro (1743-1795) was the alias of the occultist Giuseppe Balsamo (aka Joseph Balsamo), an Italian adventurer. The history of...

Charles Lutwidge Dodgson (January 27, 1832 - January 14, 1898), better known by the pen name Lewis Carroll, was an English writer, mathematician, logi...

Charles Lutwidge Dodgson (January 27, 1832 - January 14, 1898), better known by the pen name Lewis Carroll, was an English writer, mathematician, logi...

Charles Lutwidge Dodgson (January 27, 1832 - January 14, 1898), better known by the pen name Lewis Carroll, was an English writer, mathematician, logi...

Carroll pictured with Mrs. George Macdonald and children. He was encouraged by the Macdonald children to write down the stories he often told them. Th...

John Calvin (Jean Cauvin) (1509-1564) was an influential French theologian and pastor during the Protestant Reformation and the principal figure in th...

Rachel Louise Carson (1907-1964) was an American marine biologist and conservationist whose writings are credited with advancing the global environmen...

Portrait of John Cabot by Manescardi in the Doge's Palace in Venice. John Cabot (1450-1499) was an Italian navigator and explorer whose 1497 discovery...

This was the last picture taken of Christopher Houston Carson (December 24, 1809 - May 23, 1868), known as Kit Carson, was an American trailblazer and...

Irish born Nellie Cashman (1845-1925) became the philanthropic "angel" of a dozen rough mining towns. Oddly, this portrait was painted in China from a...

Carrie Chapman Catt (January 9, 1859 - March 9, 1947) was a women's suffrage leader. She graduated from Iowa State College where she was a member of P...

Cather photographed by Nicholas Muray. Willa Sibert Cather (December 7, 1873 - April 24, 1947) was an American author who achieved recognition for her...

Leo constellation on the ceiling in the Villa Farnese, Caprarola, Italy painted in 1575. Leo is one of the constellations of the zodiac, lying between...

James Bryant Conant, was a chemist, educational administrator, and government official. He was also the second scientist in 293 years to be chosen pre...

Arthur Holly Compton (1892-1962), American physicist and winner of the 1927 Nobel Prize in Physics for his discovery of the Compton effect. This is a...

"The comet could even be seen on the other side of the world!". An 1835 papier mache, oriental tray showing Halley's comet. Halley's Comet or Comet Ha...

Horoscope of King Henry VI. It's prediction of the king's violent death led to the death of the two astrologers who wrote the horoscope.

Astrology illustration of the moon in cancer from the Fourteenth Century Islamic manuscript. The crab, depicted in the image, is the astrological symb...

Geoffrey Chaucer (1343-1400) is widely considered the greatest English poet of the Middle Ages and was the first poet to have been buried in Poet's Co...

Portrait of Chaucer by Thomas Hoccleve in the Regiment of Princes (1412). Geoffrey Chaucer (1343-1400) is widely considered the greatest English poet...

Anton Pavlovich Chekhov (1860-1904) was a Russian physician, dramatist and author who is considered to be among the greatest writers of short stories...

Engraving of Henry Clay painted by Alonzo Chappel. Likeness from a daguerreotype by Root.

Half of Hindu sky map which appeared in a treatise entitled: "Jewel of the Essence of All Sciences". An Islamic view of the constellations. This manus...

Bede's De Signis Coeli was a widely used treatise of elementary astronomy, written to underpin Bede's work on calendar calculation. Although the work...

Illustration of a comet.

A greek papyrus horoscope containing the elaborate horoscope for 1 April 81 AD. A horoscope makes predictions based on astrological aspects, and sensi...

Artwork of persian astronomer and astrologer Nasir al-Din al-Tusi at his writing desk at the high-tech observatory in Maragha, Persia, instructing pup...

Artwork depicting an astrologer (in center) studying the zodiac. The Zodiac ("Circle of Animals") is known as the band encircling the earth on either...

Portrait of Abu Mashar, the founder of Islamic astrology, whose theories concerning the power of planetary conjunctions were immensely influential in...

Image is from Theatrum Chemicum Britannicum first published in 1652, an extensively annotated compilation of English alchemical literature selected by...

The tail biting dragon represents the prima materia shown discarding the nigredo which then needs to be skimmed off. The prima materia is the original...

Huitzilopochtli with fire serpent, from the Florentine Codex. In Aztec religion, Huitzilopochtli was a god of war, sun, human sacrifice and the patron...

Coatlicue gives birth to Huitzilopochtli, from the Florentine Codex. In Aztec religion, Huitzilopochtli was a god of war, sun, human sacrifice and the...