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🔗 Environment 🔗 London 🔗 History of Science

Fumifugium, or, The inconveniencie of the aer and smoak of London dissipated together with some remedies humbly proposed by J.E. esq. to His Sacred Majestie, and to the Parliament now assembled is a pamphlet published in London, 1661 (see 1661 in literature), by John Evelyn. It is one of the earliest known works on air pollution and is broken down into three parts which explain the problem, a proposed solution, and a way of improvement upon the air in London. The letter was specifically addressed to King Charles II of England and discussed problems with the capital's air pollution dating back to medieval times. Evelyn refers to Greek philosophers, who once believed that air was the principle of the earth and primary substance of the soul up until the time that air pollution began to cause ill health.

Evelyn was appointed to the newly formed Royal Society, and both Society and pamphlet are celebrated in the 1663 "Ballad of Gresham College". Stanza 23 (given here in modern English) describes how Evelyn

[...] shows that 'tis the sea-coal smoke

That always London does environ,
Which does our lungs and spirits choke,
Our hanging spoil, and rust our iron.
Let none at Fumifuge be scoffing

Who heard at Church our Sunday's coughing.

The sea-coal to which Evelyn referred was appropriately named because it came by sea from Newcastle. When burned, it gave off a terrible smell because of high amounts of sulfur in its composition. When burned the sea coal released sulfur dioxide, carbon dioxide, nitric oxide, soot, and particulates of organic matter into the atmosphere. The pamphlet suggests that burning wood, particularly aromatic woods, will be less harmful to the lungs and recommends relocating some of London's more polluting industries outside the capital, in particular lime-burning and brewing.

🔗 Iran 🔗 London 🔗 British Museum 🔗 Visual arts 🔗 Sculpture

The Oxus treasure (Persian: گنجینه آمودریا) is a collection of about 180 surviving pieces of metalwork in gold and silver, the majority rather small, plus perhaps about 200 coins, from the Achaemenid Persian period which were found by the Oxus river about 1877-1880. The exact place and date of the find remain unclear, and it is likely that many other pieces from the hoard were melted down for bullion; early reports suggest there were originally some 1500 coins, and mention types of metalwork that are not among the surviving pieces. The metalwork is believed to date from the sixth to fourth centuries BC, but the coins show a greater range, with some of those believed to belong to the treasure coming from around 200 BC. The most likely origin for the treasure is that it belonged to a temple, where votive offerings were deposited over a long period. How it came to be deposited is unknown.

As a group, the treasure is the most important survival of what was once an enormous production of Achaemenid work in precious metal. It displays a very wide range of quality of execution, with the many gold votive plaques mostly crudely executed, some perhaps by the donors themselves, while other objects are of superb quality, presumably that expected by the court.

The British Museum now has nearly all the surviving metalwork, with one of the pair of griffin-headed bracelets on loan from the Victoria and Albert Museum, and displays them in Room 52. The group arrived at the museum by different routes, with many items bequeathed to the nation by Augustus Wollaston Franks. The coins are more widely dispersed, and more difficult to firmly connect with the treasure. A group believed to come from it is in the Hermitage Museum in Saint Petersburg, and other collections have examples.

🔗 London 🔗 Visual arts

The Ambassadors (1533) is a painting by Hans Holbein the Younger. Also known as Jean de Dinteville and Georges de Selve, it was created in the Tudor period, in the same year Elizabeth I was born. As well as being a double portrait, the painting contains a still life of several meticulously rendered objects, the meaning of which is the cause of much debate. It also incorporates a much-cited example of anamorphosis in painting. It is part of the collection at the National Gallery in London.

🔗 Biography 🔗 London 🔗 Biography/science and academia 🔗 Engineering

Thomas Harold Flowers MBE (22 December 1905 - 28 October 1998) was an English engineer with the British General Post Office. During World War II, Flowers designed and built Colossus, the world's first programmable electronic computer, to help decipher encrypted German messages.

🔗 Biography 🔗 Computing 🔗 London 🔗 Philosophy 🔗 Philosophy/Logic 🔗 Business 🔗 England 🔗 Biography/science and academia 🔗 Philosophy/Philosophers 🔗 Philately 🔗 Biography/Core biographies

Charles Babbage (; 26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.

Considered by some to be a father of the computer, Babbage is credited with inventing the first mechanical computer that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage's Analytical Engine. His varied work in other fields has led him to be described as "pre-eminent" among the many polymaths of his century.

Parts of Babbage's incomplete mechanisms are on display in the Science Museum in London. In 1991, a functioning difference engine was constructed from Babbage's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage's machine would have worked.

🔗 London 🔗 British Museum 🔗 Classical Greece and Rome 🔗 History of Science 🔗 Archaeology 🔗 Visual arts 🔗 Glass

The Lycurgus Cup is a 4th-century Roman glass cage cup made of a dichroic glass, which shows a different colour depending on whether or not light is passing through it: red when lit from behind and green when lit from in front. It is the only complete Roman glass object made from this type of glass, and the one exhibiting the most impressive change in colour; it has been described as "the most spectacular glass of the period, fittingly decorated, which we know to have existed".

The cup is also a very rare example of a complete Roman cage-cup, or diatretum, where the glass has been painstakingly cut and ground back to leave only a decorative "cage" at the original surface-level. Many parts of the cage have been completely undercut. Most cage-cups have a cage with a geometric abstract design, but here there is a composition with figures, showing the mythical King Lycurgus, who (depending on the version) tried to kill Ambrosia, a follower of the god Dionysus (Bacchus to the Romans). She was transformed into a vine that twined around the enraged king and restrained him, eventually killing him. Dionysus and two followers are shown taunting the king. The cup is the "only well-preserved figural example" of a cage cup.

The dichroic effect is achieved by making the glass with tiny proportions of nanoparticles of gold and silver dispersed in colloidal form throughout the glass material. The process used remains unclear, and it is likely that it was not well understood or controlled by the makers, and was probably discovered by accidental "contamination" with minutely ground gold and silver dust. The glass-makers may not even have known that gold was involved, as the quantities involved are so tiny; they may have come from a small proportion of gold in any silver added (most Roman silver contains small proportions of gold), or from traces of gold or gold leaf left by accident in the workshop, as residue on tools, or from other work. The very few other surviving fragments of Roman dichroic glass vary considerably in their two colours.

🔗 Biography 🔗 Mathematics 🔗 Religion 🔗 Physics 🔗 London 🔗 Philosophy 🔗 England 🔗 Biography/science and academia 🔗 Astronomy 🔗 Philosophy/Philosophy of science 🔗 History of Science 🔗 Philosophy/Philosophers 🔗 Biography/politics and government 🔗 Philosophy/Metaphysics 🔗 Physics/Biographies 🔗 Christianity 🔗 Christianity/theology 🔗 Lincolnshire 🔗 Anglicanism

Isaac Newton (4 January 1643 – 31 March 1727) was considered an insightful and erudite theologian by his Protestant contemporaries. He wrote many works that would now be classified as occult studies, and he wrote religious tracts that dealt with the literal interpretation of the Bible. He kept his heretical beliefs private.

Newton's conception of the physical world provided a model of the natural world that would reinforce stability and harmony in the civic world. Newton saw a monotheistic God as the masterful creator whose existence could not be denied in the face of the grandeur of all creation. Although born into an Anglican family, and a devout but unorthodox Christian, by his thirties Newton held a Christian faith that, had it been made public, would not have been considered orthodox by mainstream Christians. Scholars now consider him a Nontrinitarian Arian.

He may have been influenced by Socinian christology.

🔗 London 🔗 Books 🔗 Sexology and sexuality 🔗 Sexology and sexuality/Sex work

Harris's List of Covent Garden Ladies, published from 1757 to 1795, was an annual directory of prostitutes then working in Georgian London. A small pocketbook, it was printed and published in Covent Garden, and sold for two shillings and sixpence. A contemporary report of 1791 estimates its circulation at about 8,000 copies annually.

Each edition contains entries describing the physical appearance and sexual specialities of about 120–190 prostitutes who worked in and around Covent Garden. Through their erotic prose, the list's entries review some of these women in lurid detail. While most compliment their subjects, some are critical of bad habits, and a few women are even treated as pariahs, perhaps having fallen out of favour with the list's authors, who are never revealed.

Samuel Derrick is the man normally credited for the design of Harris's List, possibly having been inspired by the activities of a Covent Garden pimp, Jack Harris. A Grub Street hack, Derrick may have written the lists from 1757 until his death in 1769; thereafter, the annual's authors are unknown. Throughout its print run it was published pseudonymously by H. Ranger, although from the late 1780s it was printed by three men: John and James Roach, and John Aitkin.

As the public's opinion began to turn against London's sex trade, and with reformers petitioning the authorities to take action, those involved in the release of Harris's List were in 1795 fined and imprisoned. That year's edition was the last to be published. By then, its content was cruder, lacking the originality of earlier editions. Modern writers tend to view Harris's List as erotica; in the words of one author, it was designed for "solitary sexual enjoyment".