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Lecture 5

CCS 200 Lecture 5: ccs 2:13Premium

2 pages94 viewsSpring 2017

Department
Cinema and Cultural Studies
Course Code
CCS 200
Professor
Gaboury
Lecture
5

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Telegraphy:
Industrial Revolution
Transition to new manufacturing practices beginning in the mid-18th century
Mechanization of tasks previously done by hand
Aided by new energy sources (steam power, gas lighting)
Radically transforms labor, capitalism, family, and transportation (rise of the factory
system)
Spinning Jenny
“aid to kick off the industrial revolution
Allowed yarn to be woven much faster, as was key to industrializing the textile industry
in the 19th century
Transportation to Transmission
Telegraphy marks the moment that communication becomes decoupled from the
movement of bodies in space
Telegraphy allows info to move independent of the means of transportation for the first
time
Semaphore
A system of conveying info by means of visual signs, aka an optical telegraph
Line of sight is critical for system to work
Chappe System
Chappe devised an optical telegraph system and covered France with a network of 556
stations stretching 3000 mi (during French Revolution)
Able to convey simple messages in a matter of minutes, instead of days
Flag Semaphore
Optical telegraphy systems used throughout 19th cent
Adapted for maritime use by navy using flags to signal distant ships
Telegraphy
Multiple competing telegraphic systems developed in Europe and the us in early 19th
cent
Morse code system of dots and dashes to transmit alphanumeric symbols
Morse Code
Morse developed a code for communicating letters and numbers around 1935
This allowed for unlimited communication
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