Subject
History
7
Technology
Science
2
Antikythera mechanism (Ancient calculator)
1
Antiquities
1
Astronomy, Ancient
1
Calendar, Greek
1
Civilization
1
Classical literature
1
Engineering
1
History and criticism
1
Industrial applications
1
Materials science
1
Mechanical engineering
1
Medicine, Greek and Roman
1
Oxygen
1
Science, Ancient
1
Sources
1
Technical writing
1