Star spectroscope by Merz H.O.^.2 from the Hydrographic Department of the Admiralty and used during the British Antarctic Expedition of 1901 with case [Regd Papers 761/08, file 911]
Star spectroscope by Merz H.O.^.2 from the Hydrographic Department of the Admiralty and used during the British Antarctic Expedition of 1901 [Regd Papers 761/08, file 911]