Word: rocke
(lookup in dictionary)
(lookup stats)
Dates: during 1930-1939
Sort By: most recent first
(reverse)
...present is to bore a hole 500 ft. deep, drop a dynamite charge to the bottom. When the charge is exploded, vibrations resembling earthquake waves ripple out in all directions. Some travel straight down, and part of them are reflected back up with different intensities from layers of rock, sandstone, limestone, shale. Geophones on the surface pick up these reflected waves, and from the time intervals the prospecting engineers can tell how far down the different layers are beneath various points on the surface. If by this means they can plot something that looks like an oil dome, they indicate...
...That when the plough hits a rock or stump the tractor will not tip over backward and fall on its driver like some old-time tractors-it slips its back-wheel drive when an obstruction is encountered, keeps its nose down by pulling with its front wheels only...
...ROCK - Thomas Wolfe-Harper...
Monk's demented passions with their own. But in The Web and the Rock they will be reminded again that, in the death of Thomas Wolfe, U. S. literature has lost its most violent personality...
...Rock-first half of his posthumous 1,000,000-word novel - is an answer...