Human nature is never satisfied. As fast as invention sup-. plies one, need a host of others appear. To tabulate these needs and to provide a guide for in? veniters, the Institute of Patentees has opened a '"'What's wanted" book.
Sir William Bull, who presented it, has entered his ideas on present needs. They are:—We want glass that will bend.
A smooth read surface that will not be slippery in wet weather.
A furnace that will conserve 25 per cent. of its heat.
A process to make flannel unshrinkable.
"A noiseless aeroplane.
A noiseless gun.
Anj aeroplane that can be man
Text read from the printed page and cleaned; old type leaves the occasional error.