A hand on the anchor line may telegraph a series of jerks and jolts, indicating the anchor is dragging, or a smooth tension indicative of digging in.

If that steady-state signal was interrupted, it indicated one of two things: either the operator was about to start transmitting, or something else had happened to break the connection — such as a physical break in the telegraph line.

The first telegraph line in Ethiopia was constructed in the years 1897-1899 between the cities of Harar and the capital Addis Ababa.

He invented a multiplexed printing telegraph system that used his code and allowed multiple transmissions over a single line.

The signals from the telegraph line were temporarily stored on a set of five electromagnets, before being decoded to print the corresponding character on paper tape.

* 1844 – Samuel Morse sends the message " What hath God wrought " ( a biblical quotation, Numbers 23: 23 ) from the Old Supreme Court Chamber in the United States Capitol to his assistant, Alfred Vail, in Baltimore, Maryland to inaugurate the first telegraph line.

Following this successful test, installation works of the first telegraph line ( Istanbul-Adrianople-Şumnu ) began on 9 August 1847.

Heaviside showed mathematically that uniformly distributed inductance in a telegraph line would diminish both attenuation and distortion, and that, if the inductance were great enough and the insulation resistance not too high, the circuit would be distortionless while currents of all frequencies would have equal speeds of propagation.

In 1838 a trip to Washington, D. C., failed to attract federal sponsorship for a telegraph line.

Congress appropriated $ 30, 000 in 1843 for construction of an experimental telegraph line between Washington, D. C., and Baltimore along the right-of-way of the Baltimore and Ohio Railroad.

Morse, who often spent his winters at the Hacienda with his daughter and son-in-law, set a two-mile telegraph line connecting his son-in-law's Hacienda to their house in Arroyo.

The first use of telecommunication in the Republic of South Africa was a single line telegraph connecting Cape Town and Simonstown.

The first use of telecommunication in the Union of South Africa was a single line telegraph connecting Cape Town and Simonstown.

Instead telephones were leased in pairs to a subscriber, who had to arrange for a telegraph contractor to construct a line between them, for example between a home and a shop.

Telegrafverket ( literally: Royal Telegraph Agency ) was founded in 1853, when the first electric telegraph line was established between Stockholm and Uppsala.

Construction schematic of a Prussian optical telegraph ( or Semaphore line | semaphore ) tower, C. 1835

Pantelegraph was successfully tested and approved for a telegraph line between Paris and Lyon.

In 1857, the first bank was opened ; three years later a canal system was begun, the first telegraph line was set up, and rail links were built between the capital and the countryside.

* March 3 – Australia's first telegraph line, linking Melbourne and Williamstown, opens.

* April 9 – The world's first commercial electric telegraph line comes into operation alongside the Great Western Railway line, from Paddington Station to West Drayton.

* The semaphore line in France is superseded by the telegraph.

) In perhaps the world's first live mass-media event, the hammers and spike were wired to the telegraph line so that each hammer stroke would be heard as a click at telegraph stations nationwide — the hammer strokes were missed, so the clicks were sent by the telegraph operator.

In response, Rome turned up the pressure, demanding that Tirana name Italians to direct the Gendarmerie ; join Italy in a customs union ; grant Italy control of the country's sugar, telegraph, and electrical monopolies ; teach the Italian language in all Albanian schools ; and admit Italian colonists.

They demanded that Tirana put Italians in charge of the Gendarmerie, join Italy in a customs union, and grant the Italian Kingdom control of Albania's sugar, telegraph, and electrical monopolies.

The Asmara-Addis Ababa telegraph line, constructed by the Italians in 1902-1904, passed through Adwa and had an office there.

Dessie's location led to the telegraph line the Italians constructed between 1902 and 1904 from Asmara south to Addis Ababa passing through the city, and giving it a local telegraph office.

By 1938, there were about 3, 000 inhabitants in the town, of whom about 200 were Italians, and it was equipped with a post office, telegraph, hospital, pharmacy, and spacci.

They constructed the first electromechanical telegraph in 1833, which connected the observatory with the institute for physics in Göttingen.

However, there were problems with this system, exemplified by the transcontinental telegraph line constructed in 1861 by the Western Union Company between Saint Joseph, Missouri, and Sacramento, California.

After the Alaska Purchase, a United States military telegraph line was constructed along the north side of the Yukon River.

After the Alaska Purchase, a United States military telegraph line was constructed along the north side of the Yukon River and Koyukuk became the site of a telegraph station.

After the Alaska Purchase, a United States military telegraph line was constructed along the north side of the Yukon River.

) About 1906, the Postal Telegraph surveyed and built a telegraph line from Atlanta to Washington, DC, and, as most of their lines were constructed along streets and highways, they erected their lines through Cornelia on the east side of Foreacre Street to Jones Street and the Toccoa Highway ( Thls Yonah of Yesteryear by R. L.

The town of Odenton, nicknamed " The Town a Railroad Built " by Catherine L. O ' Malley, was formed in 1868 with the construction of the Baltimore Potomac ( B & P ) Railroad connecting Baltimore and Washington, D. C. Where the B & P crossed the A & ER, a train station and telegraph office were constructed and named for Oden Bowie, President of the B & P and former governor of Maryland.

A telegraph tower was constructed above La Foulère in 1811, enabling signals to be relayed visually to Le Mât in Sark and on to Guernsey-early warning of attack during the Napoleonic Wars was of strategic importance.

* 1839-The first commercial electrical telegraph was constructed by Sir William Fothergill Cooke and entered use on the Great Western Railway.

Examples of this are the use of the telegraph which was constructed from Auckland to Hamilton as the war progressed southwards.

Also along this and all later railways were constructed telegraph lines.

In 1902, the Bamfield cable station was constructed as the western terminus of a worldwide undersea telegraph cable called by some the All Red Line as it passed only through countries and territories controlled by the British Empire, which were coloured red on the map.

In 1859, a telegraph line was constructed between Oakland and Martinez by the Alta Telegraph Company, and the existing roads which ran alongside it were then renamed The Telegraph Road.

He constructed the concrete municipal building and the first telegraph office of the town.

Many of the buildings constructed during this period have become integral to the landscape of the parish, including the Hotel Faial, the homes and businesses of the Dabney family, the Colonia Alemã and several of the original buildings constructed to house the telegraph equipment.

Speed and constructed a telegraph line from Detroit to Jackson, Michigan, where Wade and his son operated the telegraph office.

Not long after settling back in London, did Cooke have his first telegraph instrument constructed with the assistance of Frederick Kerby of St. Pancras district, London-and Moore of Clerkenwell.

The township was proclaimed in 1890 and a bridge constructed across the Snowy River and a telegraph office established.