Star-land; being talks with young people about the wonders of the heavens (1899)
Ball, Robert Stawell, Sir, 1840- [from old catalog] · Boston and London, Ginn & company · leaf 214
ESCOPE AND THE EYE. 201 They are intended to illustrate two different states ofthe eye of a collier. The right shows his eye when heis above ground in bright daylight; the left is his eyewhen he has gone down the coal-pit to his useful workin the dark regions below. I remember when I wentdown a… … This shows the Eye inthe Dark. ~r Fig. 64.
Astronomy
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