Piz Linard 1:50 000 School exercise in topographical
drawing at the ETH under F. Becker. Pen-and-ink drawing. 1918. 6
x 6 cm. (Imhof, Eduard B 8.1)
Relief map of the Rheinwaldhorn group 1:50 000 Watercolor
and ink. 1916. Free drawing of the student. Copy from
Topographic Atlas of Switzerland (Siegfried Map), revised in
the glacial areas. Drawn in connection with work on the SAC-Club
Guide "Bündner Oberland". 26 x 41 cm. (Imhof,
Eduard C 1)
Glärnisch 1:50 000 Copy from Topographic Atlas of
Switzerland (Siegfried Map). First attempt using green contour
lines. Watercolor with pen and ink. 1918. 24 x 34 cm.
(Imhof, Eduard C 2)
