A what? A sling psychrometer is a difficult word for a very simple tool. It dates back to the 1700s and is actually still used today! If it ain’t broke, don’t fix it. A Sling Psychrometer is a simple ...

An e-mail from Herman asks about an instrument using thermometers to determine humidity and wants to know what it is. It's called a sling psychrometer and consists of two thermometers fastened onto a ...

An e-mail from Gary recalls an instrument using thermometers to determine humidity and wants to know what it is. It's called a sling Psychrometer and consists of two thermometers which are fastened ...

Buildings require various levels of temperature and humidity controls, but when it comes to preserving historical artifacts or performing an operation, the temperature and humidity levels in a space ...

COLD AND WET: When humid interior air contacts colder surfaces, condensation can occur. The blackened roof sheathing in this photo shows signs of moisture damage and is frosting near the fiberglass ...

JELINEK'S psychrometer tables are among the best known of the many humidity tables in use on the Continent. Originally prepared by Jelinek from the earlier tables of Regnault and Wild, the work has ...