From April until June, 1889, there will be held in Berlin, Germany, an exhibition of machinery, apparatus and devices for the prevention of accidents to working people, and of copies of rules and regulations for factories, etc., to the same end. Among the groups noted on the programme, we note the following, pertaining to the prevention and extinguishment of fire and the saving of life:

  1. Fire-proof building constructions generally-, construction and material of partition walls and ceilings, roofing, fire escape doors, etc.

Safe storage of supplies and waste : Measures against spontaneous ignition of materials ; incombustible curtains for the prevention of the spreading of fire generally at working places ; fireproof impregnation of wooden parts, stuffs, and working implements ; asbestos and its application for fireproof devices ; measures of precaution for the heating ; apparatus for dangerless boiling of varnish, pilch and other easily inflammable matters.

Spark catcher : Lightning rod constructions.

  1. Apparatus indicating too high temperatures in drying rooms and the outbreak of fire.

Automatic quenching devices: Hydrants, sy’stem of pipe conduits ; use of boiler steam for quenching ; use of existing driving gears for the operation of quenching apparatus ; water reservoirs ; quenching tubs ; hand, steam, gas fire engines ; extinguishers ; quenching bombs,

  1. Fixed and movable saving or escape ladders, escape nets, clothes, and hose, cords.

Organizat on of fire brigades: equipment of firemen : Representation of spaces and arrangements for keeping ready-quenching and escape implements ; directions of service.

A NOVEL AIR Cushion.—A successful test of ihe Ellithorpe air cushion for elevators was made recently in a New York dry-goods house. One of the largest Otis elevators, weighing 2300 pounds, equipped with plate glass mirrors and fragile electric light globes, and loaded with baskets of eggs and with glassware filled with water, was cut loose from the top floor and allowed to fall to the bottom of the shaft. It shot down eighty feet in about two seconds. The “cushion,” which stands seventeen and one-half feet high from the bottom of the shaft, and is constructed ol wood and glass so as to be air-tight, received the elevator with so little shock that not even an was broken, nor a drop of water spilled. The test was considered a complete success. The force of the compressed air of the “ cushion ” gently pushed the elevator up again about four inches, when it descended again to its place without jar. The force of the descent was estimated at the top of the “ cushion ” as indicating 60,000 pounds.

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