… or geophysical instruments and appliances, excluding compasses; rangefinders. …
Explanatory notes
… or geophysical instruments and appliances, excluding compasses; rangefinders. 9015.10 ‑ Rangefinders 9015.20 ‑ Theodolites and tachymeters (tacheometers) 9015.30 ‑ Levels 9015.40 ‑ Photogrammetrical … of a piece of land; in determining heights above or below some horizontal reference level; and for all similar …