The problem was solved with the invention of the marine chronometer.

Achieving highly precise longitude remained a problem in geography until the invention of the marine chronometer at the end of the 18th century.

The invention of Parson's steam turbine made cheap and plentiful electricity possible and revolutionised marine transport and naval warfare.

This spurred the development of the marine chronometer, the lunar distance method and the invention of the octant after 1730.

* John Harrison receives the Longitude prize for his invention of the first marine chronometer.

Mr. Hailes, a mathematician familiar with marine architecture, supported Wouldhave's claim to the invention, and believed that the curved keel was an error.

The Society is based at the Science Museum in London ( there are also regional branches in Birmingham, Manchester, Newcastle, Bristol and Portsmouth ), and is concerned with all branches of engineering: civil, mechanical, electrical, structural, aeronautical, marine, chemical and manufacturing as well as biography and invention.

Whilst initially the design was crude and unsuccessful, with modifications it later became the standard form in marine chronometers, following the invention of the detent escapement by Pierre Le Roy in 1748.

The invention of marine plywood and fibreglass now enabled his boat designs to be mass-produced.

Astrocompasses only became useful following the invention of the marine chronometer, without which it is almost useless for navigation.

Although timing methods at this time were – following the invention of the chronometer by John Harrison – accurate enough to measure the four minutes correctly, and sporting authorities of the time accepted the claim as genuine, the record is not recognized by modern sporting bodies.

The invention of the modern chronometer by John Harrison in 1761 vastly simplified longitudinal calculation.

Early navigators in the time before the invention of the chronometer used rhumb-line courses on long ocean passages, because the ship's latitude could be established accurately by sightings of the Sun or stars but there was no accurate way to determine the longitude.

He is also known for his improvements to the transit clock at the Royal Greenwich Observatory in London and his invention of a chronometer escapement and a form of bimetallic compensation balance.

Although timing methods at this time were-following the invention of the chronometer by John Harrison-accurate enough to measure the four minutes correctly, and sporting authorities of the time accepted the claim as genuine, the record is not recognised by modern sporting bodies.

Doubleday's purported invention of baseball was such a widely accepted belief in the late 19th century, that the legend was recorded on a Civil War monument in Maryland in 1897.

Another invention in the late Middle Ages was the use of Greek fire by the Byzantines, which was used to set enemy fleets on fire.

The invention in the late nineteenth century of the transformer meant that electrical power could be transmitted more efficiently at a higher voltage but lower current.

The history of film ( known variously as film, motion pictures or movies ) began in the late 1890s, with the invention of the movie camera.

The nailed shoe was a relatively late invention.

Private or government documents remained hand-written until the invention of the typewriter in the late nineteenth century.

Modafinil originated with the late 1970s invention of a series of benzhydryl sulfinyl compounds, including adrafinil.

Studies of the brain became more sophisticated after the invention of the microscope and the development of a staining procedure by Camillo Golgi during the late 1890s.

The invention of the first tomato sauces dates back from the late 18th century: the first written record of pasta with tomato sauce can be found in the 1790 cookbook L ' Apicio Moderno by Roman chef Francesco Leonardi.

Studies have shown that the invention and development of the railway in Europe was one of the most important technological inventions of the late 19th century for the United States, without which, GDP would have been lower by 7. 0 % in 1890.

Although the New England Journal of Medicine reported the invention of the stethoscope two years later, in 1821, as late as 1885 a professor of medicine stated, " He that hath ears to hear, let him use his ears and not a stethoscope.

" Satyresses " were a late invention of poets — that roamed the woods and mountains.

The First World War had a severe impact on the pearl fishery, but it was the Great Depression of the late 1920s and early 1930s, coupled with the Japanese invention of the cultured pearl, that all but destroyed it.

The invention of the incandescent gas mantle in the 1890s greatly improved light output and ensured its survival as late as the 1960s.

Several researchers in the late 1940s, including Jay Forrester, conceived the idea of using magnetic cores for computer memory, but Forrester received the principal patent for his invention of the co-incident core memory that enabled the 3D storage of information.

The tameness of the deer may be the invention of the Augustan poet Ovid, and a late literary reversal of the boy's traditional role.

This development followed the invention of the cotton gin in the late eighteenth century, which made the processing of short-staple cotton profitable.

The modern concert pitch pipes are a relatively recent invention, pioneered by the Taylor brothers, originally of Drogheda, Ireland and later of Philadelphia, Pennsylvania, in the late nineteenth century.

As an art form, comics established popularized itself in the pages of newspapers and magazines in the late 19th and early 20th century, alongside the similar forms created as a consequence of the invention of photography: film and animation.

The quarrying industry began to decline in the late 1890s with the invention of concrete.

* Whitehall Rowboats were the water taxis of the late 1800s until the invention of the small gasoline outboard.

The accidental origin of late bottled vintage has led to more than one company claiming its invention.

Evidently the figure of Azazel was an object of general fear and awe rather than, as has been conjectured, a foreign product or the invention of a late lawgiver.

" Moffat thinks, as the Birmingham Post paraphrase, " the group show is very much a late 20th century invention and would not have been popular with television viewers of previous generations.

In the 18th century, a link mechanism was developed connecting these hooks with pedals, leading to the invention of the single-action pedal harp.

Although the invention of the printing press led to a reduced interest in hand made cards and items, by the 18th century, people were regaining interest in detailed handwork.

In the 18th century, a Frenchman further embellished the story, in anger at the Church, by claiming that the Pope had " excommunicated " Halley's Comet, though this story was most likely his own invention.

With the efforts to analyze the atmosphere in the 17th and 18th century, gases such as hydrogen were discovered which in turn led to the invention of hydrogen balloons.

The latter system came into being in the 18th century as an invention of Sir Isaac Newton, and was in use throughout Great Britain for political rather than practical reasons.

The invention of spinning machines and cotton gins in the second half of the 18th century facilitated the development of cotton fabrics.

The invention of the cotton gin in the late 18th century stimulated the widespread production of short-staple cotton, which until then had been too labor-intensive to process.

The Scientific Revolution in the 17th century had made little immediate impact on industrial technology ; only in the second half of the 18th century did scientific advances begin to be applied significantly to practical invention.

A flintlock tinder lighter, or tinder pistol, was a device that saw use in wealthy households from the 18th Century until the invention of reliable matches.

Therefore, when the Romantics emerged at the end of the 18th century, they were not assuming a radically new invention of the subjective self themselves, but merely formalizing what had gone before.

This so-called Geneva stop or " Geneva stop work " was the invention of 17th or 18th century watchmakers.

The salon was an Italian invention of the 16th century which flourished in France throughout the 17th and 18th centuries.

However, scholars believe this to be an invention of the late 18th century, and no evidence has yet been found for the existence of the Westbury White Horse before the 1720s.

During the 17th and 18th century, when scientists began analysing the Earth's atmosphere, gases such as hydrogen were discovered which in turn led to the invention of hydrogen balloons.

However, all this was drastically and dramatically altered with the advent of Political power in 18th century Europe, the voting franchise and Political parties ,( universal adult suffrage which was eventually extended to women in 1929 in Europe and Negroes in America 1964 ); discovery of the human sciences and its subsequent direction primarily aimed at modern western man and the society he inhabits, together with the invention of Disciplinary institutions, the transfer through forcible removal of various European monarchs into a ' scientific ' state apparatus and the radical overhaul of judiciary practices coupled with the reinvention and division of those who were to be punished and those who worked ( from the working population and its source labour power ) and the advent of anatomo-politics of the human body which took place between the 16th and 18th centuries.

The 18th C. French writer Denis Diderot is usually credited with the invention of the modern medium of art criticism.

The Elekiter relied on the various Western experiments with static electricity during the 18th century, which depended on the discovery that electricity could be generated through friction, and on the invention of the Leyden jar in the 1740s, as a convenient means to store static electricity in rather large quantities.

When the Romantics emerged at the end of the 18th century, they were not assuming a radically new invention of the subjective self themselves, but merely formalizing what had gone before.

The towers first appeared in Germany at the end of the 18th century, and their numbers steadily increased, especially after the invention of the elevator.

In the last years of the 18th century, Vasari's account of Finiguerra's invention was held to have received a decisive and startling confirmation under the following circumstances.