This drum revolves slowly, and in its revolution conveys the fringes of silk past two quickly running smaller combing drums. These combing drums being covered with fine steel teeth penetrate their combs through the fringes of silk depending from the large drum, thus combing through the silk.
When the load is being drawn out, the engine pulls directly on the main rope, coiling it on to its own drum, while the tail drum runs loose paying out its rope, a slight brake pressure being used to prevent its running out too fast.
The voltmeter needle may then be made to record its variations graphically on a drum covered with paper and so to delineate the wave form of the current.
Any Lapp who had attained to manhood could in ordinary circumstances consult the drum for himself, but in matters of unusual moment the professional wizard (naid, noide or noaide) had to be called in.
A micrometer drum reads to 2', while the vernier reads to single minutes so that very fine adjustments can be made.
In the large playroom of the house at Ajaccio, while the others amused themselves with ordinary games, Napoleon delighted most in beating a drum and wielding a sword.
All of this is effected auto - matically as follows: - The machine is driven continuously by a belt from a motor which wraps round the large drum at the right-hand side of the machine.
The engines used for winding or hoisting in collieries are usually direct-acting with a pair of horizontal cylinders coupled directly to the drum shaft.
In this arrangement, a pair of locomotive engines, each having a plain winding drum fixed underneath the boiler, are placed opposite to each other at the ends of the field to be operated upon; the rope of each of the engines is attached to the plough, or other tillage implement, which is drawn to and fro betwixt them by each working in turn.
In length, including the Drum Aisle (the ancient burial-place of the Irvines of Drum) and the Collison Aisle, which divide them and which formed the transept of the 12th-century church of St Nicholas.