Cambridge Digital Library

• Keyword: Hecla

Refine by:

1. ▸  Collection
   • Macclesfield Collection (1)
   • Newton Papers (1)
   • Royal Greenwich Observatory Archives (1)
2. ▸  Subject
   • Astronomy (1)
   • Mathematics (1)
3. ▸  Page has transcription
   • No (1)
   • Yes (1)
4. ▸  Page has translation
   • No (2)
5. ▸  Place