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| Ticker Tape timer
(SI-PH-1198) |
| Operates on 12 volts A.C. the timer employs electromagnet, with spring loaded armature with vibrates above a support table for a carbon disc Paper tape ,drawn through guides on the table , is struck by a dotting screw carried on the armature . Additional with extra guides accommodate 4.5mm external diameter rubber tubing for the pearls in air, water drop experiment. The peg on the support table is moveable to allow maximum use of carbon paper discs. Supplied with 90-meter roll of tape and carbon disc The ticker tape timer produces dots spaced at 1/50 or 1/60 intervals depending on main frequency. |
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