... it has occurred to that the perhaps, an explanation of the fact. The current of air, directly after issuing from the tube, strikes against the upper card,' by which it is immediately reflected back upon the lower, and passes off in radii parrellel with ...

... have since seen the following explanation in the Suffolk Chronicle '-The current of air, directly after issuing from the tube, strikes against the upper card, which it is immediately reflected back upon the lower and passes oft' radii parallel with, and ...

... tube. We haw since seen the following explanation the Sujf-M Chronicle. “The current air, dueclly after hsuiuj* from the tube, strikes against the upper card, by whub it is immediately reflected Lack upon the loner, aud passes off radii parallel with, and ...