But would you ease my mind, Mr.Haw, by showing me how this thing is done ?" "It is the merest toy--a complex plaything, nothing more.

Allow me to explain.

I have a line of very large greenhouses which extends from one end of my smoking-room.

These different houses are kept at varying degrees of heat and humidity so as to reproduce the exact climates of Egypt, China, and the rest.

You see, our crystal chamber is a tramway running with a minimum of friction along a steel rod.