![The principles of hygiene; a practical manual for students, physicians, and health-officers . FlG. 2.—Daniells hygrometer : a, bulb surrounded with cotton cloth; b, ther-mometer; c, bulb containing thermometer. direct, as The principles of hygiene; a practical manual for students, physicians, and health-officers . FlG. 2.—Daniells hygrometer : a, bulb surrounded with cotton cloth; b, ther-mometer; c, bulb containing thermometer. direct, as](https://c8.alamy.com/comp/2CE2CRB/the-principles-of-hygiene-a-practical-manual-for-students-physicians-and-health-officers-flg-2daniells-hygrometer-a-bulb-surrounded-with-cotton-cloth-b-ther-mometer-c-bulb-containing-thermometer-direct-as-daniells-fig-2-dines-and-regnaultsand-determine-directly-the-dew-point-of-the-atmosphereor-indirect-as-the-wet-and-dry-bulb-thermometer-orpsychrometer-fig-3-and-the-hair-hygrometer-fig-4the-important-items-of-information-to-be-derived-fromobservations-with-hygrometers-are-the-dew-point-thevapor-tension-or-absolute-humidity-and-the-relative-hu-38-air-m-2CE2CRB.jpg)
The principles of hygiene; a practical manual for students, physicians, and health-officers . FlG. 2.—Daniells hygrometer : a, bulb surrounded with cotton cloth; b, ther-mometer; c, bulb containing thermometer. direct, as
![Humidity stimulation based on the dry-bulb principle. Impulse frequency... | Download Scientific Diagram Humidity stimulation based on the dry-bulb principle. Impulse frequency... | Download Scientific Diagram](https://www.researchgate.net/publication/235364413/figure/fig25/AS:667205993771013@1536085713504/Humidity-stimulation-based-on-the-dry-bulb-principle-Impulse-frequency-of-the-dry-cell.png)
Humidity stimulation based on the dry-bulb principle. Impulse frequency... | Download Scientific Diagram
![Wet and Dry Bulb Hygrometers Thermometer - China Dry and Wet Thermometer and Wet and Dry Bulb Thermometer Wet and Dry Bulb Hygrometers Thermometer - China Dry and Wet Thermometer and Wet and Dry Bulb Thermometer](https://image.made-in-china.com/155f0j00VZPEuLfcqgpC/Wet-and-Dry-Bulb-Hygrometers-Thermometer.jpg)