London's Fire-fighting Equipment.

• T . ONDON, as behoves the greatest metropolis -ILA in the world, has a fire-brigade which, both as regards personnel and equipment, is second to none. It may, well have been......

Loose Leaves.

O NE would almost have thought that inventors of appliances of the "perpetual-motion" type would by now have been heartily discouraged, for the reeords of the Patent Office show......