31305 Stop-clock
Overview
Adding stop-clock with start, stop and reset button. Spring work. This piece of equipment is extremely fine tuned for measuring time in experiments such as Determining the gravitational constant (P1.1.1.3)
Description
Technical Data
Dial Range: 60 mins
Accuracy of reading: 1 s Max
running time: 20 h
Graduations: 60 and 100 divisions
Diameter: 21 cm
Dial Range: 60 mins
Accuracy of reading: 1 s Max
running time: 20 h
Graduations: 60 and 100 divisions
Diameter: 21 cm
; "31305 Stop-clock")