...I was sick with concussion, and could do nothingbut gasp and choke down my nausea... 
John Buchan 「Mr. Standfast」
...Severe blows on the head, striking the head against some hard object whilerunning, or falling on the head may cause concussion of the brain...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...This maybe done with a chisel and a small hammer if the bandage is carefully held by anassistant so that the concussion of the blows is not transmitted to the injuredbones...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
... The concussion was frequently so great that my clawscould not hold to the perch, and I would be tossed helplessly from sideto side with my feathers ruffled and broken...
Virginia Sharpe Patterson 「Dickey Downy」
...The insect more sensitive to the alarm due to concussion or to a fallof temperature is also the more sensitive to the action of ether...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...The concussion will be sufficient to stop him, and the fur will not be injured as in firing point blank...
A. R. (Arthur Robert) Harding 「Mink Trapping」
...I was smashed flat by a stunning concussion...
Various 「Astounding Stories, June, 1931」
...The last two cars of the trainwere blown from the track by the initial concussion, and the remainderof the train brought to a grinding, jerking stop that threw thepassengers into a panic...
Various 「Astounding Stories of Super-Science July 1930」
...A few seconds later there wasa heavy concussion...
Various 「Astounding Stories of Super-Science July 1930」
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