0-12 of wind and waves, created in 1805 by Commander Sir Francis Beaufort of the British Royal Navy. It created a standard scale for describing wind speed based on wave conditions at sea; medium: watercolor & graphite; blank inside, white envelope
0-12 of wind and waves, created in 1805 by Commander Sir Francis Beaufort of the British Royal Navy. It created a standard scale for describing wind speed based on wave conditions at sea; medium: watercolor & graphite; blank inside, white envelope