Average prizes of oil and bone from whales in 1840

Sperm oil per gallon $ 1.02 1/2

Whale oil per gallon $ 0.30

Bone per pound $ 0.18

Source

The marine mammals of the north-western coast of North America described and illustrated together with an account of the American whale-fishery. Charles M. Scammon. San, Francisco, USA, 1874.