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SSW presents: ALL HALLOWS EVE | Live on YouTube
SSW presents: ALL HALLOWS EVE | Live on YouTube
Published: 2017/01/24
Channel: SSW Pro Wrestling Entertainment
Video: Schieffer Series: Turkey
Video: Schieffer Series: Turkey's New Geopolitics
Published: 2011/11/15
Channel: Center for Strategic & International Studies
Battle Club Pro-Th13teenth floor making a stop in the Bronx
Battle Club Pro-Th13teenth floor making a stop in the Bronx
Published: 2017/05/04
Channel: Battle Club Pro
Todos Personagens de HARPER
Todos Personagens de HARPER'S ISLAND (A Ilha de Harper) / All Characters ( Sem Spoiler)
Published: 2018/01/03
Channel: Bryan Werneck
Harper
Harper's Island - Down
Published: 2010/07/30
Channel: xHeroGirlx
Religious Debate
Religious Debate
Published: 2010/07/12
Channel: Money Charts
Harper
Harper's Island - PromoPlot
Published: 2009/07/01
Channel: HarpersVids2009
harper
harper's island; what if jimmy died? (AU) // henry/abby/jimmy
Published: 2009/08/30
Channel: IMCRmy
Henry & Sully || This Is Why I
Henry & Sully || This Is Why I'm Hot
Published: 2009/11/14
Channel: MrsChloeButterfly
Cristiano Ronaldo Vs Ronaldinho - Freestyle
Cristiano Ronaldo Vs Ronaldinho - Freestyle
Published: 2012/02/20
Channel: MrRemoomer
Carol Blue and Martin Amis   2012   On panel discussing
Carol Blue and Martin Amis 2012 On panel discussing 'Mortality' and Christopher Hitchens' life
Published: 2014/09/06
Channel: Ciaran Hutchinson
Shattered | Henry Dunn.
Shattered | Henry Dunn.
Published: 2009/08/19
Channel: chrissiexmofo
Diamante Azul, Marco Corleone, Valiente vs Cuatrero, Forastero, Sansón
Diamante Azul, Marco Corleone, Valiente vs Cuatrero, Forastero, Sansón
Published: 2017/09/27
Channel: wreslting wwe
Abby/Jimmy/Henry - Come To Life
Abby/Jimmy/Henry - Come To Life
Published: 2009/08/11
Channel: MrSpevin
Harper
Harper's Island- Top 25 Characters
Published: 2010/02/10
Channel: 12sloana
Blues Legends Diaporama 1/2
Blues Legends Diaporama 1/2
Published: 2010/05/14
Channel: zeepoch
Vindicated (AU) - Official Trailer
Vindicated (AU) - Official Trailer
Published: 2010/08/27
Channel: EmziJess
Harper
Harper's Island - Pure Love
Published: 2011/01/08
Channel: FamaClamosa
Chris Henry - Peak
Chris Henry - Peak
Published: 2016/09/27
Channel: Chris Henry
Inside The Mind of Henry Dunn
Inside The Mind of Henry Dunn
Published: 2009/07/22
Channel: LadypenelopeSurvives
Midwest Express | EP002 (12.23.2017)
Midwest Express | EP002 (12.23.2017)
Published: 2017/12/24
Channel: Dave Dynasty
Celebrating the life and work of Professor Chia-ying Yeh on her 90th birthday
Celebrating the life and work of Professor Chia-ying Yeh on her 90th birthday
Published: 2014/08/01
Channel: UBC
Moving the Studley Tool Chest
Moving the Studley Tool Chest
Published: 2013/10/21
Channel: Christopher Schwarz
Collision Course Episode 14
Collision Course Episode 14
Published: 2017/06/15
Channel: 3 Count Pro Wrestling
Nick Iggy Interview
Nick Iggy Interview
Published: 2015/12/17
Channel: Cas Lush
Harper
Harper's Island - Beautiful Dirty Rich - Lady Gaga
Published: 2010/04/22
Channel: TheClippah
Hedges Squiggle-Tasting
Hedges Squiggle-Tasting
Published: 2012/06/28
Channel: Christopher Fedosky
NWO - Dr. Stanley Monteith (Prophecy Club)
NWO - Dr. Stanley Monteith (Prophecy Club)
Published: 2011/11/05
Channel: Gospel Truth
Abby/Jimmy - Nothing But Love
Abby/Jimmy - Nothing But Love
Published: 2009/06/12
Channel: MrSpevin
Lec 33 | MIT 5.112 Principles of Chemical Science, Fall 2005
Lec 33 | MIT 5.112 Principles of Chemical Science, Fall 2005
Published: 2008/02/14
Channel: MIT OpenCourseWare
Abby + Jimmy Epic Scene: Episode 9 Seep
Abby + Jimmy Epic Scene: Episode 9 Seep
Published: 2009/07/30
Channel: kittykat189
Abby&Jimmy: Far Away [Harper
Abby&Jimmy: Far Away [Harper's Island]
Published: 2010/09/10
Channel: OurForever22
Abby/Jimmy - Oh Gravity
Abby/Jimmy - Oh Gravity
Published: 2009/05/26
Channel: MrSpevin
Heliograph
Heliograph
Published: 2014/11/17
Channel: Audiopedia
Animated Short-Film - "Pixels" - by Patrick Jean
Animated Short-Film - "Pixels" - by Patrick Jean
Published: 2010/04/30
Channel: GR4phiC4rNaGe
Christopher Hitchens - Discussing
Christopher Hitchens - Discussing 'Why Orwell Matters' at The Hay Festival
Published: 2013/08/31
Channel: James V
"The Iron Demon" SHANE MERCER talks #TPI17
"The Iron Demon" SHANE MERCER talks #TPI17
Published: 2017/09/11
Channel: IWA Midsouth Wrestling
Johnny Blade vs Death Row 3 8 2014
Johnny Blade vs Death Row 3 8 2014
Published: 2014/03/28
Channel: sxw
Destiny Shapers With Ben Maina, CEO Rupu
Destiny Shapers With Ben Maina, CEO Rupu
Published: 2013/06/26
Channel: K24TV
Debate: Cristiano vs Ateo ¿Dios Existe? - William Lane Craig vs Peter Millican
Debate: Cristiano vs Ateo ¿Dios Existe? - William Lane Craig vs Peter Millican
Published: 2012/06/15
Channel: Christian Philosophy3,14
Chloe&Cal + Trish&Henry + Abby&Jimmy - Set my heart free
Chloe&Cal + Trish&Henry + Abby&Jimmy - Set my heart free
Published: 2009/08/28
Channel: ElektraSkater
Adams Drummersfestival 2012 - Chris Coleman
Adams Drummersfestival 2012 - Chris Coleman
Published: 2014/05/14
Channel: Marco van de Meulenhof
(Harper
(Harper's island) Jimmy and Abby-Here We Go Again
Published: 2009/07/24
Channel: vicky13vicky
Harper
Harper's Island - Hoppipolla
Published: 2013/07/03
Channel: Wendy Darling
Johnny Viper VS Ray Fury
Johnny Viper VS Ray Fury
Published: 2017/02/25
Channel: UEW-Fanatics
Duc des Lombards - jazz jam, Paris France
Duc des Lombards - jazz jam, Paris France
Published: 2011/11/24
Channel: TheKlevagirl
The Fantasticks by Tom Jones& Harvey Schmid
The Fantasticks by Tom Jones& Harvey Schmid
Published: 2009/01/10
Channel: Shalishasmcintosh09
Christmas Wish
Christmas Wish
Published: 2015/11/30
Channel: Ray Bryant - Topic
Pascale Spinney, mezzo-soprano - Atelier lyrique de l
Pascale Spinney, mezzo-soprano - Atelier lyrique de l'Opéra de Montréal 14-15
Published: 2015/01/16
Channel: Atelier Lyrique
2012 Spring Undergraduate Commencement
2012 Spring Undergraduate Commencement
Published: 2012/08/02
Channel: California University of Pennsylvania
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Australian soldiers using a Mance heliograph in 1940

Sir Henry Christopher Mance,CIE (1840 – 21 April 1926), a British electrical engineer, was knighted for developing the heliograph and president of the Institution of Electrical Engineers. [1][2]

Born in Exeter, he was educated privately.

He joined the Persian Gulf Telegraph Department in 1863, and was employed on the laying of the first Persian Gulf submarine communications cable. In 1879, he was appointed electrician to the Department, which position he held throughout his working life. An inventive man, he was responsible for a number of important developments in the field of cable laying, testing and usage.

In 1869 he invented the heliograph, a wireless solar telegraph that signals by flashes of sunlight using Morse code reflected by a mirror[3]. The flashes were produced by momentarily pivoting the mirror[3]. Frustrated by Government lack of interest, he sent a number of his instruments to Lord Roberts for use during the second Afghan War, where the practical value of the invention was realised. It was subsequently adopted by military services worldwide and was still being used in World War II.

He was Vice-President of the Institution of Electrical Engineers from 1892 to 1896 and elected President in 1897. He was also a member of the Institution of Civil Engineers and the Physical Society.

He retired in 1885 but continued his interest in Electrical Engineering as Chairman of the Oxford Electric Company and board member of several other electrical companies. Practically blind for the last 10 years of his life, he learned to read Braille.

He was created a C.I.E. in 1883 and made a Knight Bachelor in 1885. [4][5]

He died in 1926. He had married Annie Sayer in 1874, and had three sons and two daughters. One son was Brigadier-General Henry Osborne Mance.

References[edit]

  1. ^ "Henry Christopher Mance". Graces Guide. Retrieved 16 July 2017. 
  2. ^ "The New President of the Institution of Electrical Engineers". The Electrical Review (999). 15 January 1897. p. 62. Retrieved 16 July 2017. 
  3. ^ a b War Office, General Staff (1911). Training Manual – Signalling, 1907 [ Reprinted, With Amendments, to 1st May, 1911]. London: His Majesty's Stationery Office. p. 64. Retrieved 16 July 2017. 
  4. ^ The India List and India Office List for 1905. p. 146. 
  5. ^ "Birthday Honours." Times [London, England] 6 June 1885: 7. The Times Digital Archive. Web. 13 June 2015

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