Geomagnetic measurement
Compass - Bookshop
Scale - Hans Pedersen
Scale
Scale - Rijswijk
Measuring tools - Groningen
Compass
Plotting Industry
Scale - Consumers Association
Vernier Caliper
Measuring paper - Wormer
Measuring tool - Berkel en Rodenrijs
Tapemeasure
Measuring tool - Veldhoven
Tachograph
Compass - scale - Trowel
Dynamometer
Measuring
