𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The needle park in Zürich

✍ Scribed by Peter J. Grob

Publisher
Springer
Year
1993
Tongue
English
Weight
798 KB
Volume
1
Category
Article
ISSN
0928-1371

No coin nor oath required. For personal study only.

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The Swiss Federal Observatory, Zürich
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Tower telescope, 300 mm coelostat, objective 250/11000 mm, white light camera, direct-vision-spectroscope, Ha-filter (Halle), K-filter (Halle). Vertical telescope, 120 mm coelostat, objective 80/5000 ram, spectrohelioscope. Coud6-refractor, 150/2250 ram, with photoelectric guiding. Projection-scree