Word: tunnelling
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Dates: during 1940-1949
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...Supersonic wind-tunnels for studying missiles (like the V2) which move far faster than sound. The Navy is dismantling one such tunnel, will bring...
Scratchings heard on quiet summer nights and marked inactivity around the visible parts of the "Poonsters' haunts led to the discovery of the tunnel, which was at the point of completion. Routed from his position with minimal losses, the "Poon, in the red-faced words of O. J. Zwoncus, ocC. said, "Hot, isn't it?" The Crime will use Lampy's tunnel for reconversion in its heating plan...
...Freight cars rattled eastward across Ger many. Russian and Polish repatriates were packed in until there was no room to sit. Some, looking happy for cameramen, sunned themselves (see cut), waved at Red Army soldiers, ducked when the train crawled through a tunnel...
...pair of 20-mm. Jap guns aimed down the trail. Charlie got them with a squirrel-hunter's "bark" shot, hitting the rock wall beside the guns and splattering them with shell and rock fragments. Next he blasted open the heavy steel doors of a Jap tunnel and set off a store of enemy ammunition...
...third tunnel is the Army Ordnance's, in the Ballistics Research Laboratory at Aberdeen Proving Ground, Md.; it will be used to study bombs, shells and rockets. Air is compressed into a 32-ft. steel sphere, then released through a nozzle at air speeds up to 3,000 m.p.h. into a one-foot test chamber. Here small but exact brass models are connected to instruments which measure their lift in the air stream, their drag (resistance to air flow) and their stability (tendency to yaw or tumble). High-speed photographs of their action and of the air flow...