Ground Vibration

Famous quotes containing the words ground and/or vibration:

“The sight of one of these frontier houses, built of these great logs, whose inhabitants have unflinchingly maintained their ground many summers and winters in the wilderness, reminds me of famous forts, like Ticonderoga or Crown Point, which have sustained memorable sieges.”
—Henry David Thoreau (1817–1862)

“All sound heard at the greatest possible distance produces one and the same effect, a vibration of the universal lyre, just as the intervening atmosphere makes a distant ridge of earth interesting to our eyes by the azure tint it imparts to it.”
—Henry David Thoreau (1817–1862)