Dee ihe ga-aga n'ihu na paragraf a - Moore bụ onye America nke abụọ na-eji ọlaọcha akpụ ihe (mgbe Michael Gibney gasịrị) iji mepụta ụdị ọlaọcha ọlaọcha, na 1847 na-enweta nọmba patent 114 (Louis nke Iri na Anọ) na 124 (aha aha amaghị). Otu n'ime ọrụ ya ndị a ma ama bụ ọrụ ịṅụ tii nke Collins, nke e ji ọlaedo mee, nke e gosipụtara n'Ebe Ngosi Ukwu nke 1851 nakwa n'Ebe Ngosi Ụlọ Ọrụ Mba Nile nke 1853
Ọ dị mma.