* 1784 Tiberius Cavallo, An Account of some Experiments made with the new improved Air Pump.

Benjamin Franklin recorded his observations in a 1784 lecture:

He began taking daily weather measurements in 1774 in Boston, as well as taking weather observations in a balloon over London in 1784.

Since the Bishop of London refused to ordain ministers in the British American colonies, this constituted an emergency, and as a result, on 2 September 1784, Rev.

From October 1784 to September 1786 he was employed by Nepean, who was in charge of the Secret Service relating to the Bourbon Powers, France and Spain, to spy on the French naval arsenals at Toulon and other ports.

Diderot died of gastrointestinal problems in Paris on July 31, 1784, and was buried in the city's Église Saint-Roch.

Ethan met his second wife, a young widow by the name of Frances Montresor Brush Buchanan, early in 1784, and married her after a brief courtship on February 16, 1784.

* Essay on natural religion by Allen: Reason: The Only Oracle of Man, published 1784

Born in Edinburgh on 28 January 1784, he was the eldest son of George Gordon, Lord Haddo, son of George Gordon, 3rd Earl of Aberdeen.

Middleton died on June 13, 1784 in Charleston.

This had been achieved much earlier for lead and copper as well as for producing pig iron in a blast furnace, but the second stage in the production of bar iron depended on the use of potting and stamping ( for which a patent expired in 1786 ) or puddling ( patented by Henry Cort in 1784 ).

Reynolds painted by American artist Gilbert Stuart, oil on canvas, 1784

The Eiderkanal was completed during the reign of Christian VII of Denmark in 1784 and was a part of a long waterway from Kiel to the Eider River's mouth at Tönning on the west coast.

Upon the formation of the Methodist Episcopal Church in America at the Baltimore Christmas Conference in 1784, Coke ( already ordained in the Church of England ) ordained Asbury a deacon, elder, and bishop each on three successive days.

* 1784 – Russia founds a colony on Kodiak Island, Alaska.

The first Pterodactylus specimen was described by the Italian scientist Cosimo Alessandro Collini in 1784, based on a fossil skeleton unearthed from the Solnhofen limestone of Bavaria.

The seed of the myth of Stuart Jacobite influence on the higher degrees may have been a careless and unsubstantiated remark made by John Noorthouk in the 1784 Book of Constitutions of the Premier Grand Lodge of London.

In the Subcontinent he was entranced by Indian culture, an as-yet untouched field in European scholarship, and on 15 January 1784 he founded the Asiatic Society in Calcutta.

Le nozze di Figaro, ossia la folle giornata ( The Marriage of Figaro, or The Day of Madness ), K. 492, is an opera buffa ( comic opera ) composed in 1786 in four acts by Wolfgang Amadeus Mozart, with a libretto in Italian by Lorenzo Da Ponte, based on a stage comedy by Pierre Beaumarchais, La folle journée, ou le Mariage de Figaro ( 1784 ).

Notable acts as president included George Washington resigning his commission and the signing of the ratification of the Treaty of Paris on January 14, 1784 ( Ratification Day ) along with Charles Thomson, who served as Secretary.

Mifflin also appointed Thomas Jefferson as Minister Plenipotentiary to France on May 7, 1784.

His sister Jane Bowdler ( 1743 – 1784 ) was a poet and essayist, and another sister Henrietta Maria Bowdler ( Harriet ) ( 1750 – 1830 ) collaborated with Bowdler on his expurgated Shakespeare.

The first official acceptance of the Unitarian faith on the part of a congregation in America was by King's Chapel in Boston, from where James Freeman began teaching Unitarian doctrine in 1784, and was appointed rector and revised the Prayer Book according to Unitarian doctrines in 1786.

Jardine, one of five children, was born in 1784 on a small farm near Lochmaben, Dumfriesshire, Scotland.

Year 1784 ( MDCCLXXXIV ) was a leap year starting on Thursday ( link will display the full calendar ) of the Gregorian calendar and a leap year starting on Monday of the 11-day slower Julian calendar.

Experiments and observations in the cargo bay focused on the interaction of the Shuttle with atomic oxygen, nitrogen and other gases in orbit, an interaction that causes a well-known glowing effect around the surfaces of the spacecraft.

Experiments and observations show that Einstein's description of gravitation accounts for several effects that are unexplained by Newton's law, such as minute anomalies in the orbits of Mercury and other planets.

Experiments were made on an electric arc applying a porous graphite anode cooled by a transpiring gas ( Argon ).

Experiments have been conducted to attempt the synthesis of ununennium ( Uue ), which is likely to be the next member of the group, but they have all met with failure .< ref name =" link "> However, ununennium may not be an alkali metal due to relativistic effects, which are predicted to have a large influence on the chemical properties of superheavy elements.

The day's next task was to deploy the Apollo Lunar Surface Experiments Package ( ALSEP ); while they were parking the lunar rover, on which the TV camera was mounted, to observe the deployment, the rear steering began functioning without explanation.

# Experiments on the absorption of light.

In his paper " Versuche über Pflanzenhybriden " (" Experiments on Plant Hybridization "), presented in 1865 to the Naturforschender Verein ( Society for Research in Nature ) in Brünn, Mendel traced the inheritance patterns of certain traits in pea plants and described them mathematically.

Galen on Sense Perception, His Doctrines, Observations and Experiments on Vision, Hearing, Smell, Taste, Touch and Pain, and Their Historical Sources.

Experiments on hereditary material during the time of the Hershey-Chase Experiment often used bacteriophages as a model organism.

* Janus Experiments, a series of experiments on radio-sensitivity in mice and dogs

He described these principles in a two-part paper, Experiments on Plant Hybridization, that he read to the Natural History Society of Brno on February 8 and March 8, 1865, and which was published in 1866.

Experiments were also to be conducted on the transmission of sound by light, which resulted in the selenium-celled Photophone.

In the May 1996 issue of Lingua Franca, in the article " A Physicist Experiments With Cultural Studies ", Sokal revealed that his " Transgressing the Boundaries " was a hoax and concluded that Social Text " felt comfortable publishing an article on quantum physics without bothering to consult anyone knowledgeable in the subject " because of its ideological proclivities and editorial bias.

Ryder used the term again in an essay, " Experiments on Animals ," in Animals, Men and Morals ( 1971 ), a collection of essays on animal rights edited by three other members of the Oxford Group, philosophy graduate students Stanley and Roslind Godlovitch, and John Harris.

" Experiments on Animals ," in Stanley and Roslind Godlovitch and John Harris.

* 1773 " Experiments on different kinds of Marle found in Staffordshire " Phil Trans.

Experiments with genetic engineering of a vaccine based on F1 and V antigens are underway and show promise.

* January 15 – Henry Cavendish's paper to the Royal Society of London, Experiments on Air, reveals the composition of water.

Experiments into what made plants grow first led to the idea that the ash left behind when plant matter was burned was the essential element but overlooked the role of nitrogen, which is not left on the ground after combustion.

Experiments on the decay and compaction of onychophora demonstrate difficulties in interpreting fossils ; certain parts of living onychophora are only visible in certain conditions.

* Mach, E., " On Thought Experiments ", pp. 134 – 147 in Mach, E., Knowledge and Error: Sketches on the Psychology of Enquiry, D. Reidel Publishing Co., ( Dordrecht ), 1976. of Erkenntnis und Irrtum ( 5th edition, 1926 ..

This book came to the attention of Robert Boyle who, stimulated by it, embarked on his own experiments on air pressure and the vacuum, and in 1660 published New Experiments Physico-Mechanical touching the Spring of Air and its Effects.