Tulloch ore feeder, [74], [75]

[V]

Vein, to find lost part of, [167]

Velocity of falling fluids, [188]

[W]

Wages, Table for calculating, [192]

Washing table, [79]

Water, Purifying, [132], [133];

Roots as a source of, [134], [135];

Filtering of, [135];