Open AccessOn the focal length of the 36-inch refractor of the Lick Observatory, and the equivalent, in seconds of arc, of revolution of the micrometer screw
Author(s) -
W. H. Wright,
Clifford E. Smith
Publication year - 1934
Publication title -
lick observatory bulletin
Language(s) - English
Resource type - Journals
eISSN - 2378-9263
pISSN - 0075-9317
DOI - 10.5479/ads/bib/1934licob.17.55w
Subject(s) - refracting telescope , observatory , micrometer , arc (geometry) , optics , astronomy , art , geology , geodesy , physics , engineering , mechanical engineering