Inside Out Library · Explore

Scientific American, Vol. 38, No. 1 (1878) (1878)

leaf 0

An illustration from Scientific American, Vol. 38, No. 1 (1878), 1878, leaf 0
, and there remained of the body only 5 per cent of its At 11 o’clock in the forenoon the apparatus was so ort +0 Oe THE MERIDIAN CIRCLE IN THE PARIS OBSERVATORY. original weight. Not the slighest fetor or disagreeable sen- placed in the open air asto receive the solar rays, and sation was… … great strength; and the mate- pleted, he reads even to the rials may be obtained where fraction of a second, from other cement cannot: 1 heaped the circle microscopes, the precise point corresponding to the altitude of the star. bushel of mortar made in the usual way for brickwork, add obtained…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 38, No. 1 (1878)

More like this