Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" In the orthographic projection, every point of the hemisphere is referred to its diametral plane or base, by a perpendicular let fall on it, so that the representation of the hemisphere thus mapped on its base, is such as it would actually appear to an... "
Outline of the Method of Conducting a Trigonometrical Survey, for the ... - Page 158
by Edward Charles Frome - 1850 - 253 pages
Full view - About this book

Astronomy

sir John Frederick W. Herschel (1st bart.) - 1833
...diametral plane or base, by a perpendicular let fall on it, so that the representation of the hemisphere thus mapped on its base, is such as it would actually...placed at an infinite distance from it. It is obvious, from the annexed figure, that in this pro- jection only the central portions are represented of their...
Full view - About this book

Astronomy

John Frederick William Herschel - 1833 - 444 pages
...diametral plane or base, by a perpendicular let fall on it, so that the representation of the hemisphere thus mapped on its base, is such as it would actually...placed at an infinite distance from it. It is obvious, from the annexed figure, that in this projection only the central portions are represented of their...
Full view - About this book

Outline of the Method of Conducting a Trigonometrical Survey, for the ...

Edward Charles Frome - 1840 - 200 pages
...dimensions. Descriptions of various projections will be found in the works of Puissant, Francceur, and other authors on the subject; and some very useful...projection, though very good for small portions of the glohe, is of little service for large ones. "The stereographic projection is in a great measure free...
Full view - About this book

Outlines of Astronomy

John Frederick William Herschel - 1849 - 672 pages
...perpendicular let fall on it, so that the representation of the hemisphere thus mapped on its base, is such as would actually appear to an eye placed at an infinite distance from it. It is obvious, from the annexed figure, that in this projection only the central portions are represented of their...
Full view - About this book

The Christian Remembrancer, Volume 19

1850
...by a perpendicular let fall on it, so that ' the representation thus mapped on its base, is such as would ' actually appear to an eye placed at an infinite distance from it.' In this kind of projection the extremities will be crowded together and distorted, therefore it can...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF