SIMPLE BAROMETERS.

Ashburton Guardian, Volume XXiX, Issue 7729, 24 February 1909, Page 4

SIMPLE BAROMETERS.

There arc many devices by means of which changes m the mcJistndsS of the air may be shown, some of them e*cetdlnl; y easy to arrange* Peihaps the simplest form of all known to every hous&wife m the coast towns js the suspended piece of seaweed; All, kind answers, the purpose admnfib J: A small bunch tied together and hung up on ii wall shows the excessive humidity m the . atmosphere, which often precedes rain, by becoming damp and flabby. . : ,j \ very ingenious contrivance, is tne old-fashioned " weather house, largely made m Switzerland. It is arranged m such a way that two figures act m response to the twisting of a piece of catgut. The material, supported by a wire, controls the movements of a little platform on either end of which is placed a model. 'Excessive moisture m the air causes the catgut to twist ami turn the platform round, so that the man emerges from one of the doors m front of the house. Kcverse conditions of the atmosphere bring about tho contraction of the catgut, and the platform swintrs back, thus bringing the figure of tbo woman into prominence at her particular floor. Ihe making of a weather house is rjuito an easy matter,