The answer is… a Stevenson Screen! 🌦️

It protected weather instruments from sunlight and rain, helping provide accurate forecasts when the weather could change the course of history.

See it in Hangar 5 at RAF Museum London. #CrateEscape

What is this?

It might look like a rather ordinary wooden box, but this object has a story to tell.

Any guesses what it is, and what it was used for?

We’ll reveal all tomorrow.

#RAFMuseum #CrateEscape #WhatIsIt #RAFHistory #Pressure