British. A Careless talk poster, illustrated with civilian and armed forces headgear, with the slogan ‘The more information you keep under your hat' (trilby hat) and the caption ‘the safer he'll be under his' (steel helmet). As with many Careless talk posters, the images focus on the head area, indicating whatever knowledge was contained in the head, it should be kept there.
BRITISH WW II >..Hitler was the leader of the German army. Naturally, the enemy wouldnt have sent a warning that they were going to drop bombs of gas, so people always had to be prepared. Gas masks were issued to every citizen. Fortunately, their use was never required.JAN16 More