observing the image of a surface of the liquid, the effect is quite startling. The suggested from time to time for the past half a cen- star, which develops a "coma" if the instrument is not, tury, and as long ago as 1868 an instrument was con- room appears to expand in a most remarkable manner, in… … now in the hands of the builders undergoing altera- in order to learn as much as possible about the sources Fig. 1.-Construction of the instrument. tions. of disturbance, and the best probable means of over- Upon the whole, the definition was surprisingly good, coming them. The fundamental idea,…
Canal · Patents · Water · Trophy · Formed · Lock canal · Scientific American · Small house · Tific american · Aero club · Small country · American supplement · American trophy · American march · Contest committee
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