Labels:text | screenshot | font OCR: Although it has only one illustration, this page presents one of the most vivid images in the entire codex. Leonardo begins by comparing the earth's and animals' branching circulation systems and then describes weather as a system of condensation and evaporation of water that creates clouds and hurricanes. In lucid detail he describes his observation of the formation of a thunderhead and records an idea for measuring wind and water speeds by using a waterwheel. This page also embodies one of Leonardo's most comprehensive treatments of the macrocosm in
(.png)
.iso/data/g1_g.cxt/01649_Bitmap_28r_SYN.pct/01649_Bitmap_28r_SYN.png)