Show Credit Goes to Maxim for Idea in Hiram S. S l Is believed to the first first to ro prove that a body bei than air could be lifted by Its n motive power His crude and co cos coi machine accomplished the f. f he In July It i was supplied i r i screw propellers weighing p pa each an and measuring 17 feet 10 I to lid over the tips of the blades T The were attached to a shaft that m rail i nn fin a average ferage speed of ot a minute operated by a pair pIr of circa c M pound engines supplied with from a combined bc water feed heater and gas burner weighing 1000 pounds P ps vided with Jets the boiler lIIng ising to lI ing a heating surface of ot shod SJ feet The entire machine with Its full equipment of fuel m cia mand a and nd men weighed less than 8 15 pounds A writer In Ia Cassler's Cassera 1 Ms zine zinc In 1505 observed As a mechanical structure t machine Is unquestionably a apiece B mL piece of ot work and It has bas b bets bees i if 11 described by an e emI engineer ns as not an Invention b bI l K museum of Star |