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OPERATES ON 12V AC .THE TIMER EMPLOYS ELECTROMAGNET WITH SPRING LOADED ARMATURE WHICH VIBRATES ABOVE A SUPPORT TABLE FOR A CARBON PAPER DISC, PAPER TAPE,DRAWN THROUGH GUIDES ON THE TABLE ,IS STRUCK BY A DOTTING SCREW CARRIED ON THE ARMATURE .THE PEG ON THE SUPPORT TABLE IS MOVABLE TO ALLOW MAXIMUM USE OF CARBON PAPER DISC. SUPPLIED WITH 90 METER ROLL OF TAPE AND CARBON PAPER DISCS. THE TICKER TAPE TIMER PRODUCES DOTS SPACED AT 1/50 OR 1/60 SEC INTERVALS DEPENDING ON MAIN FREQUENCY .ADDITIONAL BONUS WITH EXTRA GUIDES
ACCOMODATES 4.5 MM EXTERNAL DIAMETER RUBBER TUBING FOR THE
' PEARLS IN AIR ' WATER DROP EXPERIMENT.
POWER SUPPLY 12 V/ AC . |
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