rheoscope (reoskop)

[ IMG:content-2192.png:[merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][ocr errors][ocr errors][merged small][merged small] a, crank; b, spring and ratchet for preventing motion in the wrong direction; c, spring for other barrel or cylinder; d, non-conducting cylinder; e, wire; fand e, contact-springs for carrying current to and from binding-posts g and i; h, scale for showing number of revolutions; 1, conducting cylinder, j, pin for crank when reversing motion. lating or adjusting a circuit so that any required degree of resistance may be maintained; a resistance-coil. See resistance, 3. rheostatic (rē-ō-stat'ik), a. [ In the second cla naturally figure induction coils, Planté's rheostatic machine, and the secondary batteries. E. Hospitalier , Electricity (trans.), p. 104.