69298-1920-Supplementary-Notices-to-Mariners — Page 4

accordance with the appended table :-

446

DEPTH

SOUTH

OF WATER YARD-ARA

NORTH YARD-ARM

DEPTH OF WATER

SOUTO YARD-ARM

NORTH YARD-ABAI

Feet.

20

Feet.

30

21

31

22

32

23

33

24

34

25

35

26

36

27

37

28

38

29

39

As hitherto spherical shapes will be used by day and white lights by night.

A spherical shape, or a white light, at the mast head indicates rising water and at the peak of the gaff a half foot.

Approved:

1. A. LYALL,

Commissioner of Customs.

CUSTOM HOUSE,

SHANGHAI, 1st September, 1920.

H. G. MYHRE,

Harbour Master.