Automatic chromatography apparatus for laboratory use; Batteries for pocketlamps; Battery testers; Circuit testers; Electrical voltage tester pens; Instruments for measuring length; Laser rangefinders; Measuring apparatus, namely, laser distance meters; Measuring instrumentation and apparatus, namely, digitizers; Resistance measuring instruments; Scientific measuring instruments, namely, conductivity meters; Spectrograph apparatus; Temperature indicators; Ultrasonic thickness gauges; Voltage ...