Meter – Dual Sensitivity Micrometer

Consists of a base board, complete with terminals, a set of metal connection pillars & a number of clips on flexible connection strips & accessory units; enabling a wide variety of electrical circuits to be constructed quickly & easily. The phosphor – bronze strips are so designed that when flexed a little in the fingers, they are easily slipped over the pass where their natural spring holds them firmly in position & ensures a good electrical contact. Supplied with all the necessary accessories.

A contact arm & three metal studs mounted on a bakelite base with three brass terminals. The centre terminal is common connection to the arm & the other two terminals connected to the other studs.