Tesla Universe : Patents : 1,655,114 - Apparatus for Aerial
Transportation  Patented Jan. 3, 1928. 1,655,114    Application
filed October 4, 1927.   Serial No. 223,915.  This application
is a continuation in part of my application Serial No. 499,518,
filed September 9, 1921, and is made pursuant to the rules of
the Patent Office, its purpose being to describe and claim
apparatus which I have invented for carrying into practice the
method therein disclosed.  The invention consists of a new type
of flying machine, designated “helicopter-plane”, which may be
raised and lowered vertically and driven horizontally by the
same propelling devices and comprises: a prime mover of improved
design and an airscrew, both especially adapted for the purpose,
means for tilting the machine in the air, arrangements for
controlling its operation in any position, a novel landing gear
and other constructive details, all of which will be hereinafter
fully described.    The prospects of such a flying machine
appear at first attracti