Thermometers, not for medical purposes; Electric meters; Chronographs for use as specialized time recording apparatuses; Hourglasses; Scales; Weighing machines; Measuring tools, namely, testing equipment for measuring the temperature, pressure, position or form of workpieces in a machine tool; Metal detectors for industrial or military purposes; Detectors, namely, gas detectors for detecting the presence of gas; Smoke detectors; Counters, namely, thread counters; Measuring devices, namely, co...