On the other hand, he did make reference to developing a product airplane outside of parchment. Arguably The daddy of product gliders was George Cayley, who built hand-launched kite-like gliders produced from linen from the early 1800s. Although these may be thought to be proof for the trendy paper aircraft, https://louisfdaws.digiblogbox.com/54035136/detailed-notes-on-tg-chinese-search