Angle dividing protractors; Angle gauges; Automatic pill counters; Circular slide rules; Clinometer; Computer peripheral apparatus; Contour gauges; Crucibles for laboratory use; Depth gauges; Hourglasses; Identification threads for electric wires; Letter scales; Measuring rulers; Screw-tapping gauges; Screw-thread measuring machines and instruments; Straight edge instruments for measuring flatness; Surveying apparatus; T-squares for measuring; Tool measuring instruments; Wire diameter measuri...