The Beaufort Scale Greeting Card The Beaufort Wind Force Scale- Devised by Sir Francis Beaufort in 1805, is an empirical measure for describing wind intensity based on observed sea conditions. Originally produced as an A3 screen print and now available as a beautiful greeting card perfect for all occasions. 120 x 170mm folded Packaged in a 100% recycled kraft envelope and biodegradable cello bag. Designed and printed in the UK.