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Physics, Uncategorized
Ticker Tape Timer
To provide dots on tape at 1/50 or 1/60 second intervals, equal to the frequency of the mains supply. Operates on 12 V a.c. It has an electromagnet and a spring loaded armature which vibrates above a support table. Paper tape, drawn through guides on the table is struck by a dotting screw, carried on the armature. A peg on the table is provided to allow full use of carbon paper disc. Fitted on base.
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To provide dots on tape at 1/50 or 1/60 second intervals, equal to the frequency of the mains supply. Operates on 12 V a.c. It has an electromagnet and a spring loaded armature which vibrates above a support table. Paper tape, drawn through guides on the table is struck by a dotting screw, carried on the armature. A peg on the table is provided to allow full use of carbon paper disc. Fitted on base.
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