Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Nkọwa: A na-eche na aha ahụ bụ "joystick" sitere n'aka onye ọkwọ ụgbọelu France nke narị afọ nke 20 bụ Robert Esnault-Pelterie. E nwekwara ebubo ndị ọzọ na-emegiderịta onwe ha nke ndị ọkwọ ụgbọelu ibe ya bụ́ Robert Loraine, James Henry Joyce, na A. E. George. Oxford English Dictionary kwuru na Loraine ji okwu ahụ bụ "joystick" mee ihe n'akwụkwọ ya n'afọ 1909 mgbe ọ gara Pau ka ọ mụta ịgba ụgbọelu n'ụlọ akwụkwọ Bleriot. George bụ onye ọsụ ụzọ na-anya ụgbọelu nke ya na onye ọrụ ibe ya bụ́ Jobling wuru ma jiri ụgbọelu abụọ na-efe efe na Newcastle dị n'England na 1910. A na-ekwu na ọ bụ ya mepụtara "George Stick" nke a bịara mara nke ọma dị ka joystick. Ogidi njikwa ụgbọelu George na Jobling dị n'ebe a na-edebe ihe mgbe ochie bụ́ Discovery Museum nke dị na Newcastle upon Tyne, England.  Ajụjụ: Kedụ ndị ọzọ na-abụghị Robert Esnault-Pelteri kwuru na ha kere aha "joystick"?
Robert Loraine, James Henry Joyce, na A. E. George