Johnson, Gaylord · New York, The Macmillan company · leaf 180
When the Paul in the moving picture had walkedthree-quarters of the way round the circle, stillholding the handle of the top slanting in the samedirection, the two picture-children and the toplooked like this— … 166 THE SKY MOVIES —and Betty in the picture again saw the edge ofthe humming top as a straight hne, without seeingany more of the upper part of the top than she didof its bottom part. When the Paul in the picture had walked the restof the way round his path, the humming top lookedjust the same to…
Astronomy
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