"The waves of air of the proper length, propagated in accordance with correct mathematical formulas"

Chart showing sound waves of different frequencies (the ones at the bottom produce the higher sounds)
Public DomainChart showing sound waves of different frequencies (the ones at the bottom produce the higher sounds)

Sound travels in longitudinal waves of vibrations. Here, Conrad demonstrates Winnie Verloc’s sense of unreality by making the description very cold, clinical and theoretical.