XVI. Physical Geography: 999.
The archive, offline Own the Wisdom of the Ages Every text in the library on a single USB drive. Read offline, cite freely, keep forever. No subscription required.
Buy USB Drive Now $127.00
XVI. Physical Geography: 999.
Footnotes
- 220:531
: In connection with this text I may here mention a hygrometer, drawn and probably invented by Leonardo. A facsimile of this is given in Vol. I, p. 297 with the note: 'Modi di pesare l'arie eddi sapere quando s'a arrompere il tepo' (Mode of weighing the air and of knowing when the weather will change); by the sponge "Spugnea" is written.
Comments and social are coming soon
Reader conversations and shared activity will appear here.
1147 of 1778 Chapter 0% Book 64% ~1 min left