Был такой разовый проект господина Керстинга, собрался один раз на Ганновнрской ярмарке в 1948 г. и все на этом (так называемый масштаб К).
Это из серии экзотических размеров.
Немного истории: (прошу прощения за неперевод)Historical
There has been many short-lived and often promising model railway scales which are very much defunct nowadays. Quite often these were backed by only the company that created a new scale in the first place.
Scale Ratio Gauge Notes
K 1:180 8 mm (0.315 in) Introduced 1948 at the Hanover Fair in Germany by Prof. Walter M. Kersting.
OOO - 22 mm (0.866 in) Introduced in 1902 by Schoenner in Germany.
OO - 23 mm (0.906 in) Introduced in 1908 by Märklin and sold under name "Liliput-Eisenbahn" until 1932.
Z0 1:60 24 mm (0.945 in) Z0 or "Zwischen Null" (between 0) was in use in the 40's and 50's by several model railway manufacturers in Germany. Standardized in East German NORMAT model railway standard collection. Z0 was originally introduced in Czechoslovakia in 1938.
35mm 1:30 35 mm (1.378 in) 35 mm was in use in the 30's and 40's by several model railway manufacturers in Japan. 35 mm was introduced in 1930's. Late 1940s 35mm was replaced by O gauge.
No.2 1:27 Template:2 inches English scale, seven sixteenths of an inch to a foot, commercially used about 1900