https://artdaily.com/news/158970/Chronometer-from-Shackleton-s-British-Antarctic-expedition-stars-in-Bonhams-Fine-Clock-sale
Chronometer from Shackleton's British Antarctic expedition stars in Bonhams Fine Clock sale
A very rare two-day marine chronometer from Ernest Shackleton’s British Antarctic Expedition, from July 1907 to September 1909, will go on sale a
british antarctic expeditionstars inchronometershackletonbonhams