Sentence Examples with the word Red line

The centre of the spots on the grapes becomes darker as the disease advances, and a red line appears dividing the dark brown border into an outer and an inner rim and giving a very characteristic appearance to the diseased plant.

Lithium is detected by the faint yellow line of wave-length 6104, and the bright red line of wave-length 6708, shown in its flame spectrum.

In Africa; the advance of the red line which marks the bounds of British dominion was even more rapid; while in India the Punjab, Sind, Oudh and Burma were some of the acquisitions added to the British empire while the queen was on the throne.

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Another difficulty, the concealment of the inner core of copper which was seen as a thin red line when a cut edge was exposed, was met about 1784 by George Cadman, who adopted the practice of soldering on an edging, generally ornamented, of solid silver so as to cover the junction, and the presence of this is one of the trustworthy tests by which genuine Sheffield plate may be recognized.

The great route was that which led from Venice over the Brenner and up the Rhine to Bruges; and this route became the long red line of municipal development, along which - in Lombardy, Germany and Flanders - the great towns of the middle ages sprang to life.