Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-58863 Engine-driven main generators – Generators

Engine-driven main generators – Generators for supplying power to traction motors on the same vehicle or train

Who is BS EN 10168 — Inspection documents of steel products for

for the determination of the particle size distribution of aggregates

The types of fixings and sizes described are normally used on heavy commercial vehicles

where applicable (see 10

Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-58863 Engine-driven main generators – Generators1 Scope This International Standard lays down the definition of the term chronometer, describing the categories, the test programme and the acceptable minimum requirements for wrist chronometers. NOTE Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.