Howe, Herbert A. (Herbert Alonzo), 1858-1926 · Meadville, Penna., Flood and Vincent · leaf 124
Fig. 52.—Benjamin A. Gould, Editor of theAstronomical Journal. The Astronomer. 117 … practice in estimating small fractions of a second hegains a mental alertness which is carried into all his Alertness.work. If he is explaining something, he expects thelistener to grasp what he says instantly, and is wellpleased if by any chance the hearer anticipates his ex-planation, and…
Astronomy
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