Ms H (1)

The facsimile shows the back of the first sheet. It is mostly blank, containing only some very faint and illegible traces of mirror-written text in the center.

A light pen and ink sketch depicts billowing clouds or smoke. This demonstrates Leonardo da Vinci’s ongoing observation of fluid dynamics and the movement of vapor in the atmosphere.

A brief anatomical sketch of an internal organ shows a rounded form and a vessel-like attachment. This is likely related to Leonardo’s extensive studies of the human heart.

a bagpipe
a bagpipe

original: "una piva." Leonardo's mirror writing here appears to be a pen trial, where he repeats the Italian word for a pipe or bagpipe to test his nib or ink flow.

The facsimile shows the back of the second sheet, which appears to be blank.

A large scale sketch depicts a visceral organ, likely a heart or lung, with lines indicating internal vascular pathways. The drawing reflects Leonardo’s method of scientific inquiry through the act of drawing as a tool for anatomical understanding.

bagpipe original: una piva.
heart original: cuore.
lung original: polmone.
clouds original: nuvole.
smoke original: fumo.