Document - Paul Helbronner - Tour d'horizon du sommet du Mont Blanc (4807m) - 1921

The Panorama around the summit of Mont Blanc (4807m) Drawn and painted in watercolor by Paul Helbronner from September 18, 1899 to May 27, 1900.
According to his notes and photographic documents taken at the summit.
In plano, in 13 large joined sheets.

Paul Helbronner, a polytechnician, an accomplished alpinist, and a distinguished topographer, accomplished, starting in 1903, almost single-handedly, a colossal work that would extend until 1928, triangulating the entire French Alps!!
During his 22 expeditions, he took more than 15,000 photographs and produced admirable watercolors, among which the best known is The Panorama around the summit of Mont Blanc...
This set of 13 painted panels, executed between September 1899 and May 1900, measures over 6 meters in length!!
Very rare complete.
A monumental and impressive work

Some losses on sheets 5 and 6 (adhesions) and on the top of sheet 13
Otherwise, good condition (see photos)