William Frost

[1] Despite his poverty he constructed the "Frost Airship Glider", which seems, in principle, to have resembled a vertical takeoff airplane, with gas-filled tanks.

When sufficient height is gained, wings are spread and tilted by means of a lever, causing the machine to float onward and downward.

[3] Writer Byron Rogers, apparently relying on the book A Pembrokeshire Pioneer by Roscoe Howells, gave a description of the flying machine as "part balloon (gas cylinders gave it lift), part powered hang glider, foot-pedals operating helicopter-style blades".

[4] Frost reportedly made a flight at Saundersfoot on or about 24 September 1896 for a distance of about 500 metres, then crashed into bushes[according to whom?]

Although a poor working man, Frost applied for a patent which was accepted and registered in London on 25 October 1894 under number 1894-20431.