Sling Psychrometer - Collectable Antique

Collectable Vintage

Sling Psychrometer

Manufactured by J.H. Steward Ltd.

406 Strand London

In wooden box together with test-tube

Dry & Wet bulb reading table (P & R Ltd 1927) in Degrees Fahrenheight

(Reason for sale: Clearing out the cellar of old family precision tools past )