{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/1067.htm","path":"aor/dv/1067.htm","source_url":"https://sacred-texts.com/aor/dv/1067.htm","text":"The Da Vinci Notebooks\nThe shepherds in the Romagna at the foot of the Apennines make peculiar large cavities in the mountains in the form of a horn, and on one side they fasten a horn. This little horn becomes one and the same with the said cavity and thus they produce by blowing into it a very loud noise. 584\n248:584 : As to the Romagna see also No. 1046.","title":"Vol. II: XVII. Topographical Notes: 1067.","type":"page"}