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Tuomas Vohlonen
Tuomas "Tommo" Vohlonen was a famous Finnish inventor. A surveyor by trade, his patents cover a wide area of devices and activities including compasses, skis, surveying, engines and farming. His most important heritage is the company Suunto Oy which is still active producing compasses according to his patented method as well as dive computers, sport watches and heartrate monitors.
In April 1933, after experimentation with various designs, Vohlonen applied for a patent from the Finnish National Board of Patents and Registration for a compact liquid-filled field compass, in which the magnetic needle and damping fluid were completely sealed into a unitary fused celluloid capsule.〔Suunto Oy, ''Suunto Company History'', December 2001 (Article )〕 Vohlonen was granted a patent on January 25, 1935.〔Suunto Oy, ''Suunto Company History'', December 2001 (Article )〕 Together with his wife Elli and nephew Kauko he founded Suunto Oy in 1936. Vohlonen incorporated his new liquid-filled capsule into a lightweight wrist-mounted design, the M-311, suitable for use by soldiers, surveyors, hikers, and others navigating while afoot.〔Suunto Oy, ''Suunto Company History'', December 2001 (Article )〕
==Early life==
In September 1877 Juho and Helena Vohlonen had a son in Vohloja ranch, Orimattila. Later they had four more children. This son was named Tuomas. Parents called him Tommo, and that nomination was used through his life. Only a few years before his death Tuomas could be seen in official patent papers. During the siblings’ childhood the family moved to Lappeenranta for a short while, then to Kekäleenmäki, Ruokolahti. There Juho Vohlonen worked as smith and also did some farming. Helena and Juho Vohlonen weren’t highly educated, but they had decided their children will get the highest education possible. Including daughters, which wasn’t very typical of that time. Earlier stages of school were done in Ruokolahti, later stages in Lappeenranta. Tuomas went to college in Vyborg. After that Tuomas studied in Finnish polytechnic to become a surveyor. 〔http://www.prh.fi/stc/attachments/Kertomus_Tommosta.pdf〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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