Transatlantic telegraph cable

GPTKB entity
AI-created image of Transatlantic telegraph cable
AI-created image

Statements (62)
Predicate Object
gptkbp:instanceOf gptkb:marine
gptkbp:builtBy gptkb:Atlantic_Telegraph_Company
gptkbp:category industrial equipment
submarine cables
19th-century inventions
history of telecommunications
history of the Atlantic Ocean
gptkbp:ceased_operations 20th century
gptkbp:commemorates gptkb:monuments_at_Valentia_Island_and_Heart's_Content
gptkbp:connects gptkb:Europe
gptkb:North_America
gptkbp:depth_reached over 2 miles (3 km)
gptkbp:enables instantaneous communication between continents
gptkbp:engineer gptkb:William_Thomson_(Lord_Kelvin)
gptkb:Charles_Bright
gptkb:Cyrus_West_Field
gptkbp:first_attempted 1857
gptkbp:first_message from Queen Victoria to President James Buchanan
gptkbp:first_message_length 98 words
gptkbp:first_successful_cable_completed 1866
gptkbp:first_successful_message_sent August 16, 1858
gptkbp:firstCableFailed September 1858
gptkbp:firstCableRoute Valentia Island, Ireland to Heart's Content, Newfoundland
gptkbp:firstMessageReceiver President James Buchanan
gptkbp:firstMessageSender gptkb:Queen_Victoria
gptkbp:firstMessageSentDate August 16, 1858
gptkbp:firstSuccessfulCompletionDate 1858
gptkbp:hasCompany gptkb:Atlantic_Telegraph_Company
gptkbp:historicalSignificance first successful transoceanic telegraph cable
major milestone in global communications
https://www.w3.org/2000/01/rdf-schema#label Transatlantic telegraph cable
gptkbp:impact reduced communication time between Europe and North America from weeks to minutes
gptkbp:improves use of better materials and techniques
gptkbp:influenced diplomacy
journalism
international business
gptkbp:initial_cable_failed 1858
gptkbp:initial_cost £1,000,000
gptkbp:initial_failure_cause insulation breakdown
gptkbp:initial_transmission_speed about 8 words per minute
gptkbp:initially_connected gptkb:Heart's_Content,_Newfoundland
Valentia Island, Ireland
gptkbp:insulation gutta-percha
gptkbp:keyFigure gptkb:William_Thomson_(Lord_Kelvin)
gptkb:Charles_Tilston_Bright
gptkb:Cyrus_West_Field
gptkbp:laid_by gptkb:SS_Great_Eastern
gptkbp:length about 2,500 miles
about 2,500 miles (4,000 km)
gptkbp:material copper conductor
gutta-percha insulation
gptkbp:permanentSuccessDate 1866
gptkbp:purpose telegraph communication between Europe and North America
gptkbp:replacedBy gptkb:transatlantic_fiber_optic_cable
transatlantic telephone cable
gptkbp:shipUsed gptkb:SS_Great_Eastern
gptkbp:significance reduced communication time between Europe and North America from weeks to minutes
gptkbp:subject books and documentaries
scientific and engineering study
gptkbp:technology telegraphy
gptkbp:bfsParent gptkb:Valentia_Island
gptkbp:bfsLayer 6