Chapter 6 of 9 · 49 words · ~1 min read

VIII.

[Illustration: <u>_Tide and Weather Signals in the Ports of Brittany_</u>]

By day the signals showing the depth of water--in mètres--at the harbour entrance are shown by balls or small balloons; at night these are replaced by lanterns. (See top diagram.) The flag signals of the other diagrams explain themselves.