1912/11/01 by C. L. Doolittle
Engineering · #Astronomical Observations and Instrumentation #Astronomy #Optics #Physics #Telescope #Tube (container) #Zenith
paper · doi:10.1086/103979
openalex publication_date 1912/11/01 · openalex created_date 2025/10/10 · openalex updated_date 2025/11/06
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