Engraving depicting implements used in the Greenland whale fisheries. 1. Tail-knife, used to cut the fins from dead whales. 2. Blubber spade for detaching blubber from the carcass. 3. Spur which men fixed to soles of shoes when working on a carcass. 4. Arrangement of knives for cutting blubber into small pieces for packing into barrels. 5. Food of the Greenland whale, here called Clio borealis. Dated 19th century.