MUSEUM "WAALSDORP"

Meter with electric tubes

Time interval in units of 1 microsecond to 1 second.

Meter with transistors

This model, developed in 1962, measures in units of 1, 10 or 100 microseconds during respectievely 1, 10 or 100 seconds.

Meter with integrated circuits

This meter was used since 1970. Time units of 0,1, 1 or 10 microseconds during respectievely 1, 10 or 100 seconds.