'Diving bell invented by Edmond Halley (1656-1743) being used in salvage operation. Barrel, C, reservoir of air connected by tube to bell. Diver, F, wears helmet connected to bell by tube. Engraving 1782.'.
Hi-res online download not available. Delivery in 24 hours.
Caption:
'Diving bell invented by Edmond Halley (1656-1743) being used in salvage operation. Barrel, C, reservoir of air connected by tube to bell. Diver, F, wears helmet connected to bell by tube. Engraving 1782.'