Method of and apparatus for aerial transportation 104 0 Dowload here GB025 - GB185446 Print Rate this article: 5.0 No.GB25Patent185446Year1921CountryGreat BritainDate of ApplicationApril 1921, 1921Patent TitleMethod of and apparatus for aerial transportation Documents to download GB025 - GB185446 (.pdf, 552.56 KB) - 106 download(s)