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BELL SYSTEM TECHNICAL JOURNAL
power consumed in it during operation is .75 k. w. It is guided by the hooks of J. The filament leads are shown at K, K and are led through the glass by the copper disc seals L, L. The grid is molybdenum
Fig. 9
helix and is supported by the molybdenum rods M which are fixed to the lavite block E and slide on the outside of the lavite block F. The whole structure is mounted on the flare R by means of the
