The first continued to be a drag on such industries, until after 1895 the increasing use of crude petroleum obviated the difficulty.
The influence of the railways has been very great, and a constant drag on just taxation and other legislative reforms. In 1885, 1887 and 1897 the legislature created a Board of Transportation consisting of existing state executive officers or their secretaries, but this could do little except gather statistics, investigate alleged abuses, and advise the legislature, upon which the regulation of rates remained mandatory by the constitution.
An objection to this form of block is the great length of the endless chain, which may drag on the ground and pick up dirt and grit, and thereby interfere with the smooth working of the mechanism.
The use of these contrivances is more common in, collieries on the continent of Europe, where in some countries they are obligatory, than in England, where they are not generally popular owing to their uncertainty in action and the constant drag on the guides when the rope slacks.
While the engine in gear is coiling in its rope and drawing the plough towards itself, the rope of the other engine is paid out with merely so much drag on it as to keep it from kinking or getting ravelled on the drum.
The old or Persian school flourished from the foundation of the empire down to about 1830, and still continues to drag on a feeble existence, though it is now out of fashion and cultivated by none of the leading men of letters.
Faster-moving particles diffusing from A to B carry their momentum with them, and tend to accelerate B; an equal number of slower particles diffusing from B to A act as a drag on A.