"The machine was not built for speed, but for stability."

"If its engine stops, it must fall with deathly violence, for it can neither glide like the aeroplane or float like the balloon. The helicopter is much easier to design than the aeroplane, but is worth…"

"The machine is now quite stable in the air and can be controlled with ease."

"We learn much by tribulation, and by adversity our hearts are made better."

"When one comes to increase the size of the craft, the possibility rapidly fades away. This is because of the difficulties of carrying sufficient fuel. It will readily be seen, therefore, why the Atlan…"