PHYSICS

TICKER TAPE TIMER

BHI-ED-114
Qty Comments

Operates on 12V a.c The timer employs electromagmet, 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, Additional with extra guides accommodate 4.5 mm external diameter rubber tubing for the 'Pearls in air' water drop experiment. The peg on the support table is movable to allow maximum wus of carbon paper discs.

The ticker tape timer produces dots spaced at 1/50 or 1/60s intervals depending on main frequency.

 

 



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