| |
web |
https://en.wikipedia.org/wiki/Gee-H_(navigation)#Oboe
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83185 |
|
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| |
web |
https://en.wikipedia.org/wiki/Oboe_(navigation)
|
83184 |
|
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| |
web |
https://logout.hu/cikk/a_navigacio_rovid_tortenete_avagy_eg_kemlelesetol/a_masodik_vilageges_fejlesztesei.html
|
83182 |
|
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| |
web |
https://en.wikipedia.org/wiki/Gee_(navigation)
|
83181 |
|
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| |
web |
https://lazarbibi.blog.hu/2017/01/12/az_elektronikus_navigacio_tortenete_3_resz
|
83180 |
|
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| |
web |
https://en.wikipedia.org/wiki/Sergey_Prokudin-Gorsky
|
83177 |
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| |
web |
http://www.loc.gov/pictures/collection/prok/
|
83176 |
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| |
web |
http://fenyregesz.hu/2018/01/23/szines-mult-1-resz-carsag/
|
83175 |
|
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| |
web |
http://www.migavia.com/engineers/nadashkevich.html
|
83174 |
|
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| |
web |
https://en.wikipedia.org/wiki/Hellschreiber
|
83170 |
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