d in semicircular form, with itsmouth opening in a direction to catch the revolving current of compressed air, which rushes out throughthe tube, B, with a velocity depending upon the ra-pidity of i ts revolution, and the degree of its compres-sion. The place of the expelled air is supplied bymeans… … The friction of the surface of the vase against theimprisoned air may be increased by attaching radialfeathers of thin metal to the interior of the walls ofthe vase. Our co temporary says that with a fan 35 inches indiameter, rotating 950 tuns per minute, a pressure isobtained equal to that of 8…
Patents · Lupine · Iron · Combination · Glaisher · Plates · Patent office · Three miles · White lupine · Scientific American · Bank authorities · Purpose set · Wrought iron · Yellow lupine · Address munn · Obtaining patents
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
