Show little fuse prevents blowout of any tube tho the turnover in vacuum tubes la Is tremendous in view of 0 the fact that over 91 per cent of all vacuum tubes never live their full and intended life tl IL Is no wonder that over tubes were sold last year tube protection la Is the logical answer to the situation recent developments la in a little fuse that slips over the filament terminal of any standard vacuum m tube makes this protect lou from decide accidental antal I 1 blowout blow low out real and complete in every lense of tile word |