The Twenty-Seven Lines upon the Cubic Surface

Historical summary; Introduction; 1. Preliminary theorems; 2. The double six configuration. Auxiliary theorems; 3. The trihedral pair configuration; 4. Analytical investigation of the twenty-seven lines and forty-five triple tangent planes for the general equation of the cubric surface; 5. The construction of a model of a double six; 6. The construction of the configurations of the straight lines upon the twenty-one types of the cubric surface; 7. On some configurations associated with the configurations of the lines upon the cubric surface; Bibliography.