explanation of the gnomonic projection of the sphere
Subtitle: and of such points ofastronomy as are most necessary in the use of astronomical maps, being a description of the construction and use of the larger and smaller maps of the stars; as also of the six maps of the earth
By: By August De Morgan.
Contributors: Society for the Diffusion of Useful Knowledge (Great Britain)
Publisher: Baldwin and Cradock
Published: 1836
Place of publication: London
Language: eng
Number of pages: 126
Subjects: Astronomy -- Observers' manuals.; Stars -- Atlases.; Map-projection.
Notes: At head of title, Published under the superintendence of the Society for the diffusion of useful knowledge.

List of memoirs on double stars and nebulae, p.118-121.