Reminds me of my Army days using the Wet Bulb device to obtain the "Flag" status. Used a dry bulb, wet bulb, and a black bulb fed into a slide rule calculator

Reminds me of my Army days using the Wet Bulb device to obtain the "Flag" status. Used a dry bulb, wet bulb, and a black bulb fed into a slide rule calculator to determine the heat index and thus working conditions. http://www.wetglobe.com/ http://www.wetglobe.com/