… and psychrometers, recording or not, and any combination of these instruments. …
Explanatory notes
… and psychrometers, recording or not, and any combination of these instruments. ‑ Thermometers and … metal, e.g., nickel‑silver, silver, etc.), and weighted at one end with mercury or fine lead shot. These weights are … the radiations from an incandescent body, e.g., onto the hot junction of a thermocouple placed at the focal …