“ The larger work occupied thirty-two years, and was accomplished with complete success. The map in 25 sheets on the scale of 1/100000 was published at intervals between 1842 and 1865, and is an admirable specimen of cartography. ”

“ After the peace that followed Waterloo he resumed his status as a Swiss citizen, and devoted himself to the military service of his native land. From 1819 to 1830 he was chief instructor in the military school of Thun, which had been founded mainly through his instrumentality. Among other distinguished foreign pupils he instructed Louis Napoleon, afterwards emperor of the French. In 1827 he was raised to the rank of colonel, and commanded the Federal army in a series of field manœuvres. In 1831 he became chief of the staff, and soon afterwards he was appointed quartermaster-general. ”