… Surveying (including photogrammetrical surveying), hydrographic, … meteorological or geophysical instruments and appliances, excluding compasses; rangefinders. …
Explanatory notes
… used to determine gradients and inclines, mining dials , graphometers, heliostats for trigonometrical survey, … (self‑reading, telescopic, folding, etc.), electromagnetic distance measuring equipment (EDM) reflector prisms and … etc.). The maps, etc., are plotted from photographs or digital images taken from two different viewpoints a known …