schlayer

Claim 1

A METHOD OF SELECTING PROPERLY EVACUATED, STOPPERED, METAL SEALED, EVACULATED VIALS WHICH COMPRISES: PASSING A PLURALITY OF SUCH VIALS ALONG A CONVEYOR; PASSING A BEAM OF LIGHT ALONG THE PATH OF THE VIALS IN SUCH A POSITION THAT SAID BEAM OF LIGHT SHINES ON A PHOTOTUBE AND IS INTERRUPTED BY EACH VIAL IN TURN AS IT PASSES; PASSING SEQUENTIALLY A PLURALITY OF HIGH VOLTAGE HIGH FREQUENCY DISCHARGES THROUGH THE VIALS, ONE OF SAID DISCHARGES OCCURRING AT THE POINT AT WHICH SAID LIGHT BEAM IS INTERRUPTED, THEREBY SERIALLY ACTUATING SAID PHOTOTUBE BY SAID LIGHT BEAM AND BY THE GLOW CAUSED BY SAID HIGH FREQUENCY DISCHARGE WHEN THE LIGHT BEAM IS INTERRUPTED CAUSING THE GLOW FROM PROPERLY EVACUATED VIALS TO MAINTAIN CONTINUOUS UNIFORM ACTIVATION OF SAID PHOTOTUBE DURING THE PASSAGE OF PROPERLY EVACUATED VIALS; AND SELECTIVELY ENERGIZING SEPARATING MEANS TO SEPARATE THOSE VIALS WHICH FAIL TO CAUSE A GLOW DISCHARGE DURING THIS PORTION OF THEIR PASSAGE.