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wall

1

A unit of count, ? – 19ᵗʰ century, throughout Germany, Denmark, and Sweden = 80.

sources

Wall n, Zählm. an den Küsten der Ost- und Nordsee (für Fische, bsd. Heringe) = 80 Stück (event. mit Zugabe bis zu 84 Stück).

Wall, noun, a unit of count on the coasts of the Baltic Sea and North Sea (for fish, especially herring) = 80 pieces (possibly with a premium of up to 84 pieces).

Jansen (1900), page xl.

2

In Wales, 19ᵗʰ century, a unit of length applied to Welsh flannel, = 12 feet 10 inches. There are about 40 walls to a piece.

Simmonds (1892, page 506)

sources

A "piece" of flannel consists of about 40 walls (sometimes less or more); a wall is a certain measure containing l2 feet 10 inches.

Welsh Flannel Trade.
Extract from Letter written by William Augustus Miles, Esq., dated December, 1837. Communicated by Joseph Fletcher, Esq.
Journal of the Statistical Society of London, vol. 1, page 105 (June 1837).