ALPES. HELBRONNER (Paul). DETAILED GEOMETRICAL... Lot 30

[ALPES]. HELBRONNER (Paul). DETAILED GEOMETRICAL DESCRIPTION OF THE FRENCH ALPS. Tome IV - Tome V. P., Gauthier-Villars, 1931. 2 volumes bound in a strong small in-folio publisher's garnet-red cloth, smooth spine, gilt title. Spine lightened. FIRST EDITION. TOME IV : Massifs des Bauges et de la Grande-Chartreuse which contains in fine 3 MAPS and 9 PANORAMAS - TOME V : Massifs d'Allevard, des sept Laux, de Belledonne, des Grandes Rousses et des Arves which contains in fine 2 fold-out MAPS and 19 PANORAMAS. This monumental work comprises 12 folio volumes and 2 plates. E.A.S. from the author on the title page to General Charles Nollet. ¶ Perret, 2214: "Masterly work by the great French "geodesist", with remarkable iconography. This sum (exceptionally bulky) is very rarely complete."