Zeal Whirling Hygrometer (psychrometer)

Whirling Hygrometer (psychrometer) in Bangladesh

WHIRLING PATTERN HYGROMETER Whirling Hygrometer (psychrometer) - wet and dry bulb. Whirling Hygrometer (psychrometer) - wet and dry bulb. Made in accordance with BS2842. Housed in a yellow plastic case with folding Handle. Available in Mercury or Red Spirit. Supplied with Hygrometric tables, spare wick and instructions. Sold singles.