Harrison's first timekeeper 'H1'
Royal Observatory, Greenwich
1,708
views
74
faves
8
comments
Uploaded on January 19, 2022
Taken on February 21, 2018
Harrison's first timekeeper 'H1'
Royal Observatory, Greenwich
1,708
views
74
faves
8
comments
Uploaded on January 19, 2022
Taken on February 21, 2018