"Just now."

"How?"

"By the log."

"Did you take the trouble to look at the triangle?"

"Yes."

"Did the sand run through the glass in exactly thirty seconds?"

"Yes."

"Are you sure that the sand has not worn the hole between the globes?"

"Yes."

"Have you proved the sand-glass by the oscillations of a bullet?"

"Suspended by a rope yarn drawn out from the top of a coil of soaked
hemp? Undoubtedly."

"Have you waxed the yarn lest it should stretch?"

"Yes."

"Have you tested the log?"