Non-electronic hydro-, hygro-, psychrometers (including hygrographs, thermo-hygrographs, baro-thermo-hygrographs, actinometers, pagoscopes, excluding radio-sondes for atmospheric soundings)
Drugi hidrometri, higrometri in psihrometri, tudi higrografi, termohigrografi, barotermohigrografi, aktinometri, pagoskopi