Knurled screws and slot for clamping in rod pendulums or leaf springs.
Holes, Ø 7 mm, for inserting a writing implement, e.g. a felt-tip pen refill
Holes, Ø 4 mm, for inserting a recording stylus
Hole, Ø 2 mm, for the plug of the recording stylus
4 mm plug on the front and rear sides for plugging on a weight
Length: 6.8 cm
Mass: approx. 54 g
Knurled screws and slot for clamping in rod pendulums or leaf springs.
Holes, Ø 7 mm, for inserting a writing implement, e.g. a felt-tip pen refill
Holes, Ø 4 mm, for inserting a recording stylus
Hole, Ø 2 mm, for the plug of the recording stylus
4 mm plug on the front and rear sides for plugging on a weight
Length: 6.8 cm
Mass: approx. 54 g
