earth and the sky
Subtitle: elementary mathematics ...
Publisher: G. Bell and sons, ltd.
Published: 1945
Place of publication: London
Language: eng
Number of pages: 64
Subjects: Mathematics.
Table of contents: title: The Earh
pagenum: 9
class: chapter
label: 1; label: 2
pagenum: 16
class: chapter
title: The Sky; label: 3
pagenum: 34
class: chapter
title: Spherical Geometry; label: 4
pagenum: 39
class: chapter
title: Plane Trigonometry; title: Spherical Trigonometry
pagenum: 45
class: chapter
label: 5; label: 6
pagenum: 51
class: chapter
title: Astronomy and Navigation