An Explanation of the Gnomonic Projection of the Sphere ... Maps of the Stars ... of the Earth.
first edition Contemporary binder's cloth.
1836 · London
by De Morgan, A
London: Baldwin & Cradock, 1836. First Edition.. Contemporary binder's cloth.. Very good.. 8vo, [4], 126, [2 - adverts], [8 - inserted adverts] pp.
One of De Morgan's earliest books. The book is a detailed explanation of the relation between projections in general and the surface of the sphere which they represent. There is also an important appendix to the text explaining the origin of Herschel's catalogue of double stars and the ingenious measuring device he developed to accurately gauge astronomical distances while viewing through a telescope. (truncated)
One of De Morgan's earliest books. The book is a detailed explanation of the relation between projections in general and the surface of the sphere which they represent. There is also an important appendix to the text explaining the origin of Herschel's catalogue of double stars and the ingenious measuring device he developed to accurately gauge astronomical distances while viewing through a telescope. (truncated)