(1) Without stroboscope. [PEEK] (3) With stroboscope-Neg. [PEEK] (2) With stroboscope-Pos. [PEEK) FIG. 39-ONE OF TWO POLISHED STEEL RODS POINTED AT ENDS. Diameter 0.325 cm.-spacing 120 cm.-180,000 volts. VOL. XXXI, 1912 A. I. E. E. PLATE LIX |
(1) Without stroboscope. [PEEK] (3) With stroboscope-Neg. [PEEK] (2) With stroboscope-Pos. [PEEK) FIG. 39-ONE OF TWO POLISHED STEEL RODS POINTED AT ENDS. Diameter 0.325 cm.-spacing 120 cm.-180,000 volts. VOL. XXXI, 1912 A. I. E. E. PLATE LIX |