DEVONIAN

Flowmeters; Magnetometers; Viscosimeters; Concrete testing machines; Depth gauges; Glassware for scientific experiments in laboratories; Laboratory apparatus, namely, centrifuges; Laboratory centrifuges; Magnetic pens; Measuring cups; Measuring rules; Metering orifices, namely, orifice plates for metering or controlling the flow rate of liquids; Surveying instruments; Surveying machines and instruments; Surveyors' levels