File list (Check if you may need any files):
SPHERE\DIM.FOR
......\GRAPH\10.CMD
......\.....\10.TXT
......\.....\11.GRF
......\.....\12A.GRF
......\.....\12B.GRF
......\.....\12C.GRF
......\.....\13.GRF
......\.....\14.GRF
......\.....\15.GRF
......\.....\16.GRF
......\.....\17.GRF
......\.....\18.GRF
......\.....\19.GRF
......\.....\2.FOR
......\.....\2.GRF
......\.....\20.GRF
......\.....\21.GRF
......\.....\22.GRF
......\.....\23.FOR
......\.....\23.GRF
......\.....\24.GRF
......\.....\25.GRF
......\.....\26.GRF
......\.....\27.GRF
......\.....\28.GRF
......\.....\29.GRF
......\.....\3.FOR
......\.....\3.GRF
......\.....\30.CMD
......\.....\31.CMD
......\.....\32.GRF
......\.....\33.GRF
......\.....\34.CMD
......\.....\4.GRF
......\.....\5.GRF
......\.....\6.GRF
......\.....\8.CMD
......\.....\9.CMD
......\.....\GRID.FOR
......\.....\READ.ME
......\.....\SET15.SYM
......\.....\SET4.SYM
......\RAY.FOR
......\READ.ME
......\S1.FOR
......\S2.FOR
......\S3.FOR
......\S4.FOR
......\S5.FOR
......\S6.FOR
......\S7.FOR
......\S8.FOR
......\GRAPH
SPHERE