TANGENTIAL • E-FREE TRANSLATION.COM • Definition of Tangential

... aluminum, a, gives, in the usual manner, a reflected image upon a scale, thus allowing the deflections to be read. A compensating magnet, M, is supported by a vertical column fixed to the case, above the needles. This magnet may be placed in the different azimuths by means of a tangential screw, t. The extremities of the bobbin wires are connected with three terminals, T, T', T squared, and the instrument may, by a proper arrangement, became differential. These terminals, as well as the communicating wires, ...

— Scientific American Supplement, No. 492, June 6, 1885 • Various