On the latest improvements in the clock‐driving apparatus...

On the latest improvements in the clock‐driving apparatus of astronomical telescopes

Grubb, Howard
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Volume:
39
Language:
english
Journal:
ARCHIVE: Proceedings of the Institution of Mechanical Engineers 1847-1982 (vols 1-196)
DOI:
10.1243/pime_proc_1888_039_022_02
Date:
June, 1888
File:
PDF, 1.32 MB
english, 1888
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