through a tubular shaft several feet

0.619599 1.5948% 1951 3.585772 0.278880 5.0183% 1950 1.572414 0.635965 1.7034% 1949 0.088525 11.296293 -0.4250% 1948 1.801520 0.555087 6.7886% 1947 0.475268 2.104078 13.9149% 1946 0.186723 5.355539 22.7896% 1945 0.396974 2.519056 3.2661% 1944 1.888975 0.529388 1.3234% 1943 0.400535 2.496658 2.7232% 1942 0.369340 2.707533 0.0000% 1926 0.078815 12.687878 -2.0001% 1925 0.627604 1.593362 0.6731% 1924 0.566529 1.765135 2.0549% 1923 0.061864 16.164503 -0.6823% 1927 0.085247 11.730658 6.5229% 1941 0.901943 1.108718 6.1527% 1940 1.710558 0.584605 -8.4517% 1930 0.934230 1.070400 -2.7367% 1929 1.280643 0.780858 -0.6823% 1927 1.986447 0.503411

mediator