Hi! Switch off the power. We need it! It takes 5 cwts of coal to make one 6 inch shell. Wasted power means wasted coal (between 1939 and 1946)

Hi! Switch off the power. We need it! It takes 5 cwts of coal to make one 6 inch shell. Wasted power means wasted coal (between 1939 and 1946) by Anonymous. This poster print is produced on premium fine art paper with rich colour reproduction. The matte finish faithfully captures the bold graphics and tonal depth of the original work.