Сети рыболовные. Определение изменения длины после погружения в воду
Название (англ.):
Ropes and cordage; netting yarns; determination of change in length after immersion in water
Описание (англ.):
Immersion in water, at a given temperature, of a length of netting yarn on which two marks have been made at a prescribed distance apart. Measurement of the change in length between the two marks. Apparatus for determining the change in length is described by means of a figure.