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Scientific American, Vol. 32, No. 19 (1875) (1875)

leaf 5

An illustration from Scientific American, Vol. 32, No. 19 (1875), 1875, leaf 5
cific Railroad thirty given locality, causing it to rise, and giving the surrounding awoke. years ago, a simple expedient, of whichI send you a sketch. air a tendency to rush in to fill up the space, the same cause The deepest sleep is always just before dawn. It is, I be- A is a board about two… … HH’ represents a horizontal line, C G a vertical line, and C I found out lately, by accident, that they now call it the staff, B, is raised perpendicularly. On the top of B is placed the centers of gravity and of resistance, which coincide. W C ‘* Monkey’s room.” This is Darwin going backwards! in…

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