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{{For|a list of places of named telegraph hills|Telegraph Hill (disambiguation){{!}}Telegraph Hill}}{{More citations needed|date=November 2024}}
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A '''telegraph hill''' is a hill or other natural elevation, chosen as part of an [[semaphore line|optical telegraph]] system because of the relatively great distance between it and at least one other point, which it may observe or be observed from. In the 18th and 19th centuries, such points were in some cases in permanent use for [[commerce]] and [[public administration]], and in others, identified in advance of need or as need arose, especially for [[command and control (military)|command and control]] in [[military operation]]s.
{{Use dmy dates|date=November 2024}}[[File:Tower on Telegraph Hill, Hull MA.jpg|thumb|Tower on [[Telegraph Hill (Hull, Massachusetts)|Telegraph Hill]] in Fort Revere Park, Hull Massachusetts]]
A '''telegraph hill''' is a hill or other natural elevation that was formerly the site of a [[Telegraphy|telegraph station]].<ref name=":0">{{Cite book |last=Mills |first=A. D. |title=A Dictionary of London Place-Names |date=2010 |publisher=[[Oxford University Press]] |isbn=9780191726743 |chapter=Telegraph Hill}}</ref> From the end of the 18th century, these stations were used to send optical signals using semaphores, warning of imminent danger or passing on other significant news.<ref name=":0" /><ref>{{Cite web |title=The Telegraph Hills of Massachusetts |url=https://newenglandhistoricalsociety.com/the-telegraph-hills-of-massachusetts/ |access-date=2024-11-16 |website=New England Historical Society}}</ref>


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It was chosen as part of an [[optical telegraph]] system because of the relatively great distance between it and at least one other point, which it may observe or be observed from. In the 18th and 19th centuries, such points were in some cases in permanent use for [[commerce]] and [[public administration]], and in others, identified in advance of need or as need arose, especially for [[command and control (military)|command and control]] in [[military operation]]s.
==See also==
*[[Telegraph Hill]]


==References==
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[[Category:History of telecommunications]]
[[Category:Telegraphy]]


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Latest revision as of 21:07, 16 November 2024

For a list of places of named telegraph hills, see Telegraph Hill.
Tower on Telegraph Hill in Fort Revere Park, Hull Massachusetts

A telegraph hill is a hill or other natural elevation that was formerly the site of a telegraph station.[1] From the end of the 18th century, these stations were used to send optical signals using semaphores, warning of imminent danger or passing on other significant news.[1][2]

It was chosen as part of an optical telegraph system because of the relatively great distance between it and at least one other point, which it may observe or be observed from. In the 18th and 19th centuries, such points were in some cases in permanent use for commerce and public administration, and in others, identified in advance of need or as need arose, especially for command and control in military operations.

References

[edit]
  1. ^ a b Mills, A. D. (2010). "Telegraph Hill". A Dictionary of London Place-Names. Oxford University Press. ISBN 9780191726743.
  2. ^ "The Telegraph Hills of Massachusetts". New England Historical Society. Retrieved 16 November 2024.


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