Citations
'Greenwich Astronomical Observations, 1847, Altitude and Altazimuth Instrument': Drawings for Plates I-IV, 1847, GBR/0180/RGO 101/2/9/10-13, Drawer 7 PC 1: RGO 101. Cambridge University Library. |
|
'Greenwich Astronomical Observations, 1847, Altitude and Altazimuth Instrument': Drawings for Plates I-IV, 1847, GBR/0180/RGO 101/2/9/10-13, Drawer 7 PC 1: RGO 101. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1562725 Accessed March 16, 2025. |