๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Methods in physical astronomy

Publisher
Elsevier Science
Year
1884
Tongue
English
Weight
144 KB
Volume
118
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES

Astronomy and physics
Astronomy and physics
โœ C.F.H. ๐Ÿ“‚ Article ๐Ÿ“… 1887 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 570 KB

Picketing, I)irector of tJ~e l-[arvard College Observatory, has kindly permitted the reproduction in this issue of the Joua,','a~ of several examples of his photographs of stellar spectra, which along with those illustrating his report on the Henry Draper Memorial, also appearing in this issue, will

Physics and astronomy
Physics and astronomy
๐Ÿ“‚ Article ๐Ÿ“… 1887 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 712 KB

## I69 of rapidly coloring topographical sheets, with the object of bringing into relief the shape of the ground. Although this embellishment is not absolutely necessary to enable an engineer to locate a proposed work on a topographical map, yet it helps the operation more than is generally suppos