a book-cover's thickness of walls and arches,

1.770275 1.3740% 1902 1.000000 1.000000 2.2421% 1961 4.105378 0.243583 0.9709% 1960 0.427979 2.336561 1.6442% 1959 0.128817 7.762944 2.3579% 1958 3.126429 0.319854 2.0623% 1957 0.270193 3.701062 3.5571% 1956 1.924726 0.519554 3.3098% 1955 0.852673 1.172782 3.4226% 1954 3.602813 0.277561 1.5421% 1953 0.616672 1.621607 1.5703% 1952 3.445897 0.290200 1.5948% 1951 0.119637 8.358637 5.0183% 1950 0.600503 1.665271 1.7034% 1949 1.535943 0.651066 -0.4250% 1948 2.987400 0.334739 6.7886% 1947 0.090044 11.105663 13.9149% 1946 1.268000 0.788643 22.7896% 1945 1.858805 0.537980 3.2661% 1944 0.178529 5.601323 1.3234% 1943 0.087568 11.419682 2.7232% 1942 2.449937 0.408174 6.5229% 1941 0.049984 20.006236 6.1527% 1940 1.857184 0.538450 2.3623% 1939 1.511955 0.661395 -1.5482% 1938 1.023749 0.976802 -1.5312% 1937 0.053375 18.735212 3.9669% 1936 1.125070 0.888833 3.2811% 1934 0.122001 8.196683 8.9328% 1933 0.098415 10.161038 -2.6088% 1932 0.064123 15.595034 -11.5407% 1931 0.462626 2.161572 -8.4517% 1930 0.467104 2.140853 -7.1894% 1920 0.085314 11.721352 -13.0688% 1919 2.378369 0.420456 15.7925% 1918 0.069663 14.354911 14.2845% 1917 0.063394 15.774468 16.6637% 1916 1.605643 0.622803 20.0069% 1915 0.429848 2.326405 9.1939% 1914 0.685028 1.459795 2.3510% 1913

aphelion