… marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and …
Explanatory notes
… slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and … rod, amplifying dial and transmission system (rack, gear, lever, spring, pneumatic, hydraulic, etc.). (5) Measuring … devices specially designed for surveying (land chains, levelling staves, ranging poles, etc.) and winch‑type …