Flinders bar

Ogwe Flinders bụ ogwe ígwè dị nro nke a na-etinye n'ime tube n'akụkụ ihu nke compass binnacle. A na-eji ogwe Flinders eme ihe iji gbochie magnetism kwụ ọtọ nke dị n'ime ụgbọ mmiri ma na-ejikarị ya eme ihe dị ka akụkụ nke usoro a maara dị ka ịgbagharị compass, ebe a na-egbochi ntụgharị nke magnetism a sitere na iji ndị na-edozi (ma ọ bụ quadrantal). 

Ebe enweghị ike imechi mgbagha site na ebe kompas site n'iji Flinders bar, bọọlụ Kelvin, magnetik njehie ikiri ụkwụ na ihe ndọta kwụ ọtọ, kaadị mgbapụ, ma ọ bụ eserese, na-emepụta.  Kaadị a, ma ọ bụ eserese, depụtara mgbagha maka nkuzi kompas dị iche iche ma onye na-akwọ ụgbọ mmiri na-ezo aka ya mgbe ọ dị mkpa ka edoziri usoro ọmụmụ kompas..

Miriam Estensen The life of Matthew Flinders p 460 na-akpọ ya aha onye England na-eme njem n'ụgbọ mmiri Matthew Flinders (1774-1814) onye dere akwụkwọ banyere magnetism ụgbọ mmiri maka Royal Navy.  chọpụtara na mgbakwunye nke ígwè ga-akwụ ụgwọ maka njehie nke ibu ya kpatara n'oge njem ya na Australia.

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 Njikọ mpụga 

 Flinders agụmakwụkwọ unit E debere  Wayback Machine site na Royal Geographical Society of Queensland