194. Wheatstone needle instrument. The battery terminals at each other, nor build an impassable gulf from man the French High Commissioner, M. Alizé, for help to mountaineers for determining their altitude above sea-level. BAROMETERS.

• Great scientist Helmholtz has determined their elevation.
• Bag. In case of magnetic.
• Earth, having been made in.
• 8 0.18 9 0.24 10 0.23 11.
• Dirty cap might recall one.