Periscope (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Periscope" in English language version.

refsWebsite

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5web.archive.org

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4books.google.com

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1david-gledhill.co.uk

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1pedrocurto.com

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1victorxm715.co.uk

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1pritzkermilitary.org

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2^nd place

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archive.today (Global: 14^th place; English: 14^th place)

The History of the Periscope – Inventors. About.com

books.google.com (Global: 3^rd place; English: 3^rd place)

Walker, Bruce H. (2000). Optical Design for Visual Systems. SPIE Press. p. 117. ISBN 978-0-8194-3886-7.
The Submarine Periscope: An Explanation of the Principles Involved in Its Construction, Together with a Description of the Main Features of the Barr and Stroud Periscopes. Barr and Stroud Limited. 1928.
Partridge, Eric (2006). A Dictionary of Slang and Unconventional English. Routledge. pp. 1065–. ISBN 978-1-134-96365-2.
War at Sea and in the Air. Britannica Educational Publishing. 1 November 2011. p. 65. ISBN 978-1-61530-753-1.

bpag.co.uk (Global: low place; English: low place)

"The Way of the J. – British Phantom Aviation Group".

cirium.com (Global: low place; English: low place)

newsassets.cirium.com

Wilson, Michael (1968-06-13). "Hawker Siddeley Nimrod MR.1". Flight International. p. 892. Archived from the original on 2023-12-25.

david-gledhill.co.uk (Global: low place; English: low place)

"TESS :: David Gledhill".

doi.org (Global: 2^nd place; English: 2^nd place)

Campbell, Charles J.; McEachern, Lawrence J.; Marg, Elwin (1956). "Aircraft Flight by an Optical Periscope". Journal of the Optical Society of America. 46 (11): 944. doi:10.1364/JOSA.46.000944.

hisutton.com (Global: low place; English: low place)

"H I Sutton - Covert Shores". www.hisutton.com. Retrieved 2024-05-23.

ion.org (Global: low place; English: low place)

Reichel, Jack. "Perscopic Sextant". ION Navigation Museum. Archived from the original on 2023-07-05.

jhuapl.edu (Global: 6,195^th place; English: 5,404^th place)

techdigest.jhuapl.edu

Ousborne, Jeffrey; Griffith, Dale; Yuan, Rebecca W. (1997). "A Periscope Detection Radar" (PDF). Johns Hopkins APL Technical Digest. 18: 125. Archived from the original (PDF) on 2017-08-08. Retrieved 2017-11-29.

navy.mil (Global: 237^th place; English: 170^th place)

Petty, Dan. "The US Navy – Fact File: AN/SPS-74(V) Radar Set". www.navy.mil. Archived from the original on 2019-02-14. Retrieved 2017-11-29.

optica.org (Global: low place; English: low place)

opg.optica.org

Campbell, Charles J.; McEachern, Lawrence J.; Marg, Elwin (1956). "Aircraft Flight by an Optical Periscope". Journal of the Optical Society of America. 46 (11): 944. doi:10.1364/JOSA.46.000944.

pedrocurto.com (Global: low place; English: low place)

"El Arma Submarina Española". Archived from the original on 2009-12-17. Retrieved 2009-10-21.

pritzkermilitary.org (Global: low place; English: low place)

"Periscope Aircraft Sextant | Pritzker Military Museum & Library | Chicago".

vc10.net (Global: low place; English: low place)

"Oddities & Innovations".

victorxm715.co.uk (Global: low place; English: low place)

"Bob's Tale of Phantoms – Victor XM715".

web.archive.org (Global: 1^st place; English: 1^st place)

Petty, Dan. "The US Navy – Fact File: AN/SPS-74(V) Radar Set". www.navy.mil. Archived from the original on 2019-02-14. Retrieved 2017-11-29.
Ousborne, Jeffrey; Griffith, Dale; Yuan, Rebecca W. (1997). "A Periscope Detection Radar" (PDF). Johns Hopkins APL Technical Digest. 18: 125. Archived from the original (PDF) on 2017-08-08. Retrieved 2017-11-29.
"El Arma Submarina Española". Archived from the original on 2009-12-17. Retrieved 2009-10-21.
Wilson, Michael (1968-06-13). "Hawker Siddeley Nimrod MR.1". Flight International. p. 892. Archived from the original on 2023-12-25.
Reichel, Jack. "Perscopic Sextant". ION Navigation Museum. Archived from the original on 2023-07-05.