Y Bydoedd Uwchben
Subtitle: Llawlyfr ar Seryddiaeth.
Publisher: P. Jones-Roberts, yn y Llyfrfa
Published: 1914
Place of publication: Bangor
Language: wel
Format: Hardcover
Number of pages: 174
Subjects: Astronomy; Astronomy - General; Astronomy - Amateur; Seryddiaeth
First sentence: Y Nef Wybrennol (Celestial Sphere). Y gronnen wybrennol ddychmygol yr ymddengys y bodoedd megis petaent yn grogedig arni.
Description: A popular text in Welsh about astronomy. It discusses the motions of celestial bodies, and describes the Solar System in detail. The stars and constellations are described. It includes 83 black white illustrations.
Notes: Includes index.
Table of contents: pagenum: 2
class: section
title: Darlunlenni; pagenum: 23
class: part
title: Rhagymadrodd; pagenum: 25
class: part
title: Rhagair; pagenum: 27
class: part
title: Arweiniad; pagenum: 29
label: I
class: part
title: Termau Seryddol; pagenum: 34
label: II
class: part
title: Deddfau Kepler a Newton; pagenum: 42
title: Y Cysawd Heulog
class: part
label: III; pagenum: 48
label: IV
class: part
title: Yr Haul; pagenum: 68
label: V
class: part
title: Y Lleuad; pagenum: 87
label: VI
class: part
title: Mercher a Gwener; pagenum: 94
title: Y Ddaear
class: part
label: VII; pagenum: 104
title: Mawrth
class: part
label: VIII; pagenum: 112
title: Iau a'r Man Blanedau
class: part
label: IX; pagenum: 117
label: X
class: part
title: Sadwrn; pagenum: 124
title: Uranus a Neifion
class: part
label: XI; pagenum: 127
label: XII
class: part
title: Comedau a Ser Gwib; pagenum: 138
title: Y Ser
class: part
label: XIII; pagenum: 163
title: Cunulliadau Ser
class: part
label: XIV; class: part
title: Dangoseg