A one inch to one foot scale drawing of a Pilcher glider, probably the Bat. It has been suggested that this drawing was the original concept for Pilcher's Bat glider and was probably the drawing used to in the manufacture and construction by direct scaling and a few calculations, with development of the design as construction proceeded.
Around 1895
Percy Pilcher: Drawings (1895-1899)
Influenced by the pioneering glider designs of Otto Lilienthal (1848-1896), Percy Sinclair Pilcher (1866-1899) developed his own series of glider designs in Glasgow from 1893. In 1896 Pilcher's "Gull" and "Hawk" gliders were produced, and Pilcher learnt the art of controlling his machine in the air…