The armillary sphere /
Robins, Seymour,
The armillary sphere / by Seymour Robins. - [10] pages : illustrations ; 23 cm + 1 model
Model of armillary sphere is housed in envelope and accompanies text.
0876639090 9780876639092
73076729
Planispheres.
Astronomical instruments.
Astronomical models.
Astronomical instruments.
Astronomical models.
Planispheres.
Astronomy Scientific instrument
The armillary sphere / by Seymour Robins. - [10] pages : illustrations ; 23 cm + 1 model
Model of armillary sphere is housed in envelope and accompanies text.
0876639090 9780876639092
73076729
Planispheres.
Astronomical instruments.
Astronomical models.
Astronomical instruments.
Astronomical models.
Planispheres.
Astronomy Scientific instrument