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.

This distinction started around 1906 with the invention by Lee De Forest of the triode, which made electrical amplification of weak radio signals and audio signals possible with a non-mechanical device.

Before the invention of reliable electrical methods, hot tube and flame methods were used.

From early beginnings with the invention of the phonograph using purely mechanical techniques, the field has advanced with the invention of electrical recording, the mass production of the 78 record, the magnetic wire recorder followed by the tape recorder, the vinyl LP record.

In 1878, after the invention of the electrical telegraph and then the invention of the phone, the French State created a Ministry of Posts and Telegraphs.

* Nikola Tesla was famous for developing the AC motor, the bifilar coil, various devices that used rotating magnetic fields, the alternating current polyphase power distribution systems, the fundamental devices of systems of wireless communication ( legal priority for the invention of radio ), radio frequency oscillators, devices for voltage magnification by standing waves, robotics, logic gates for secure radio frequency communications, devices for x-rays, apparatus for ozone generation, devices for ionized gases, devices for high field emission, devices for charged particle beams, methods for providing extremely low level of resistance to the passage of electrical current, means for increasing the intensity of electrical oscillations, voltage multiplication circuitry, devices for high voltage discharges, devices for lightning protection and VTOL aircraft.

The crucial invention was to apply soldering to electrical assembly.

In 1859 William Siemens devoted a great part of his time to electrical invention and research ; and the number of telegraph apparatus of all sorts – telegraph cables, land lines, and their accessories – which have emanated from the Siemens Telegraph Works ( at Charlton, SE London ) has been remarkable.

Kip P Flint also from the Castorland area on August 20, 2003 applied for a patent on his invention of a railway car mounting block assembly that would allow the communication from railway car to railway car through a housing that would allow a electrical plug and cable.

In 1933, Dr Albert Hyman, heart specialist at the Beth Davis Hospital of New York city and C. Henry Hyman, an electrical engineer, looking for an alternative to injecting powerful drugs directly into the heart, came up with an invention that used an electrical shock in place of drug injection.

This invention was called the Hyman Otor where a hollow needle is used to pass an insulated wire to the heart area to deliver the electrical shock.

With the invention of the electrical telegraph, it became possible for staff at a station or signal box to send a message ( usually a specific number of rings on a bell ) to confirm that a train had passed and that a specific block was clear.

This is not unlike other invention storylines, where it was more than just Watt who was working toward a practical steam engine ( others were struggling with it contemporarily ); more than just Fulton who was working on steam boats ; more than just Edison who was working on electrical technology ; and even regarding Henry Ford himself, more than just he who was working toward a truly practical automobile in the 1890s ( people all over North America and Europe were trying during that era, which he freely admitted ).

Sir William Snow Harris ( 1 April 1791 – 22 January 1867 ) was an English physician and electrical researcher, nicknamed Thunder-and-Lightning Harris, and noted for his invention of a successful system of lightning conductors for ships.

Phillip Hagar Smith ( April 29, 1905 – August 29, 1987 ) was an electrical engineer, who became famous for his invention of the Smith chart.

The number of different designs of pliers grew with the invention of the different objects which they were used to handle: horseshoes, fasteners, wire, pipes, electrical, and electronic components.

With the invention of electrical and gas welding methods during the Industrial Revolution, forge welding has been largely replaced.

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.

" The utility threshold is relatively easy to satisfy for mechanical, electrical, or novelty inventions, because the purpose of the utility requirement is to ensure that the invention works on some minimal level.

Samuel Morse received his first ever patent for the telegraph in 1847, at the old Beylerbeyi Palace ( the present Beylerbeyi Palace was built in 1861 – 1865 on the same location ) in Istanbul, which was issued by Sultan Abdülmecid who personally tested the new invention.

Samuel Finley Breese Morse ( April 27, 1791 – April 2, 1872 ) was an American contributor to the invention of a single-wire telegraph system based on European telegraphs, co-inventor of the Morse code, and an accomplished painter.

He went to great lengths to win a lawsuit for the right to be called " inventor of the telegraph ", and promoted himself as being an inventor, but Alfred Vail played an important role in the invention of the Morse Code, which was based on earlier codes for the electromagnetic telegraph.

Samuel Morse received a patent for the telegraph in 1847, at the old Beylerbeyi Palace ( the present Beylerbeyi Palace was built in 1861 – 1865 on the same location ) in Istanbul, which was issued by Sultan Abdülmecid who personally tested the new invention.

* 22 August 1865, La Feuille d ' Aoste reported “ It is rumored that English technicians to whom Mr. Manzetti illustrated his method for transmitting spoken words on the telegraph wire intend to apply said invention in England on several private telegraph lines ".

The teleostereograph machine, a forerunner to the modern electronic fax, was developed by AT & T's Bell Labs in the 1920s ; however, the first commercial use of image facsimile telegraph devices dates back to the time of Samuel F. B. Morse's invention in the 1800s.

He called his invention a " recording telegraph ".

Further advancements in telegraph technology occurred in the early 1870s, when Thomas Edison devised a full duplex two-way telegraph and then doubled its capacity with the invention of quadruplex telegraphy in 1874.

He was to write on things like the Wright brothers and their first aeroplane, Thomas Edison and his electric light bulb invention, Alexander Graham Bell and the telephone, and Samuel F. B. Morse's invention of the telegraph.

Colt concentrated on manufacturing his waterproof telegraph cable, believing the business would prosper alongside Morse's invention.

The invention of the telegraph in 1844 led spiritualists to claim that an unseen " spiritual telegraph " to the dead also existed.

This invention was followed by the wireless telegraph which was then placed under the Wireless Telegraph Act 1904.

Many say the invention of the telegraph sparked its development by encouraging reporters to condense material, to reduce costs.

It started with a device created by Samuel Morse's invention of the telegraph and lead to the telephone, the cell phone, television, internet, DVD, video games, etc.

In the 16th-century invention of a suitably antique origin myth for the Dutch people that would be expressive of their self-identification as separate from their neighbors in the national struggle with Spain of the Eighty Years War for Dutch independence, the Batavians came to be regarded as their eponymous ancestors.

As the rules of rugby's scrimmage were written when the game came to North America by Mike Newell, they had a significant flaw which was corrected by custom elsewhere, but by the invention of the snap in American football.

Major success came in 1901 with the invention of the spiral hairpin by New Zealand inventor Ernest Godward.

Historically, classical mechanics came first, while quantum mechanics is a comparatively recent invention.

In 1564 Guilliam Boonen came from the Netherlands to be Queen Elizabeth's first coach-builder — thus introducing the new European invention of the spring-suspension coach to England, as a replacement for the litters and carts of an earlier transportation mode.

He came to the conclusion that all religion was a human invention.

This invention was gradually improved, and came to be used, first in a steel cap, and then in a copper cap, by various gunmakers and private individuals before coming into general military use nearly thirty years later.

Gair's invention came about as a result of an accident: he was a Brooklyn printer and paper-bag maker during the 1870s, and one day, while he was printing an order of seed bags, a metal ruler normally used to crease bags shifted in position and cut them.

The invention came at the time Henry Ford started to mass produce automobiles.

GE ’ s efforts came to fruition with the invention of a tungsten-based filament.

A further development in defibrillation came with the invention of the implantable device, known as an implantable cardioverter-defibrillator ( or ICD ).

However, his most impressive invention came in 1442, the world's first rain gauge, named Cheugugi ( source?

When the play came to be called Part 2 is unclear, although most critics tend to assume it was the invention of John Heminges and Henry Condell, the editors of the First Folio, as there are no references to the play under the title Part 2, or any derivative thereof, before 1623.

Around the same time came the invention of the bayonet.

Personal stabilizing platforms came into being in the late 1970s through the invention of Garrett Brown, which became known as the Steadicam.

Lippershey may have made this discovery on his own although there are many stories as to how Lippershey came by his invention.

With the invention of the metal lipstick container as well as compact mirrors bee stung lips came into vogue.

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 practical exploitation of the instrument was certainly achieved and came to public attention in the Netherlands at about 1608, but the credit of the original invention has been claimed on behalf of three individuals: Hans Lippershey and Sacharias Jansen — spectacle-makers in Middelburg, and Jacob Metius of Alkmaar ( also known as Jacob Adriaanszoon ).

As a mathematician, wrote folklore scholar David E. Bynum, Child came to his interest " in what he variously called ' popular ', ' primitive ', or ' traditional ' balladry '" ( that is, in oral literature, then deemed " primitive " because its stylistic features antedate the invention of writing ) not by accident " but by force of logic ":

Mr Justice Pumfrey came to the conclusion that the claimed invention was obvious, but specifically rejected the allegation that it was excluded from patent protection as a computer program as such.

Investigation by the FBI showed that this idea came from non-secret sources and independent invention, not from a security breach.

Modern leveling came into being with the invention and patent of a level sensitive mercury switch system invented by Raymond Alvah Hanson in 1946.