...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」
...By more or less of amiracle, no bones had been broken and no concussion caused by thebackward dive down the flight of steps...
Albert Payson Terhune 「Further Adventures of Lad」
... 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 activity of the insect made motionlessby the concussion of a shock would reawaken in precisely the samefashion...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
... But the concussion that shook the earth under him now was like nothing he had known...
Various 「Astounding Stories of Super-Science January 1931」
...here was no flame—only a concussion that cracked upon one's ears,and flying rock fragments that filled the air with demoniac shrieks...
Various 「Astounding Stories, May, 1931」
...Aterrific concussion flattened him to the bunk...
Various 「Astounding Stories of Super-Science, November, 1930」
...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」
...But it was not anearth-shaking concussion...
Murray Leinster 「Morale」
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