
The Sunwatch! 1920s pocket sundial
#AntiqueClock"The Ansonia Sunwatch, a pocket sundial made in the 1920s by the Ansonia Clock Company.
This is episode 82 of my video series about old calculating methods."

#AntiqueClock"The Ansonia Sunwatch, a pocket sundial made in the 1920s by the Ansonia Clock Company.
This is episode 82 of my video series about old calculating methods."