Angle gauges; Barometers; Batteries, electric; Compasses for measuring; Depth gauges; Fire-extinguishers; Fire extinguishing apparatus; Insulation resistance meters; Length measuring gauges; Magnetic locators; Magnets for industrial purposes; Measuring rulers; Pince-nez; Pressure gauges; Pressure measuring apparatus; Surveying chains; Surveying compass needles; Surveying instruments; Surveying machines and instruments; Temperature meters not for medical use; Transformers; Water meters; Automa...