ANALOGUE DECELEROMETER
DEC 1
It is a scientific device, its veracity is undisputed because it is based in fundamental laws of applied phisics.
It consists of a perfectly free balanced pendulum, able to react agaist any speed change or angle variation.
It is made with a not-sensitive to temperature changes fluid.
The dial is "G" percentage callibrated, the acceleration and deceleration standard accepted worldwide.