Astronomical & Astrophysical Instruments
Reference Information
- Created By Wm. Gaertner & Co
- Title Astronomical & Astrophysical Instruments
- Source/Publisher Chicago, Illinois, 1908
- URL http://www.sil.si.edu/DigitalCollections/Trade-Literature/Scientific-Instruments/CF/SIsingle-record.cfm?AuthorizedCompany=The%20Gaertner%20Scientific%20Corporation