BS3680 (1981 - 90)

Methods of measurement of liquid flow in open channels. British Standards Institution.

Part 4A. Thin plate weirs (1981).

Part 4B. Triangular profile weirs (1986) (identical with ISO 4360 : 1984).

Part 4C. Flumes (1981).

Part 4D. Compound Gauging Structures (1981).

Part 4E. Rectangular Broad Crested weirs (1990) (identical with ISO 3846 : 1989).

Part 4F. Round Nose Horizontal Broad-Crested Weirs (1990) (identical with ISO 4374 : 1990).