Series VII

Number

Title

Date of Design

Dimension (cm)

Material

S7.1

Clebsch's diagonal surface

1881

15 x 24

Gypsum

S7.2

Cayley´s cubic with 4 real A1 double points.

1881

13 x 15

 Gypsum

S7.4

Cayley´s cubic with 4 real A1 double points: differen affine form

 1881 13 x 15 Gypsum

S7.6

 Cayley´s cubic with 4 real A1 double points: different affine form 1881 13 x 15 Gypsum

S7.7

 Cubic with three real A1 double points. 1881 11 x 15 Gypsum

S7.8

Cubic with three real A1 double points considered from inside: for formation of D4 double point.

 1881 11 x 15 Gypsum

S7.9

 Cubic with three real A2 double points. 1881 11 x 15 Gypsum

S7.10

 Cubic with an A2 double point. 1881 10 x 15 Gypsum

S7.11

Cubic with an A2 double point: other real form of the singularity

 1881 12 x 15 Gypsum

S7.12

Cubic with one A3 double point and two A1 double points.

 1881 13 x 15 Gypsum

S7.13

 Cubic with an A3 double point. 1881 13 x 16 Gypsum

S7.14

 Cubic with an A1 double point and an A4 double point. 1881 13 x 15 Gypsum

S7.15

 Cubic with an A1 double point and an A5 double point. 1881 12 x 15 Gypsum

S7.17

 Cubic with a D4 double point. 1881 12 x 15 Gypsum

S7.18

 Cubic with a D5 double point. 1881 12 x 15 Gypsum

S7.19

 Cubic with a D6 double point. 1881 12 x 15 Gypsum

S7.21

 Cubic ruled surface. 1881 13 x 15 Gypsum

S7.22

 Cubic ruled surface of Cayley. 1881 13 x 15 Gypsum

S7.23

Cubic ruled surface of Cayley.

 1881 13 x 15 Gypsum

S7.24a

Quartic Hessian surface for Cayley's cubic surface.

 1881 21 x 25 Gypsum

S7.24b

Cubic star-shaped part of the preceding for a pentaeder.

 1881 13 x 16 Gypsum

S7.25

Quartic Hessian surface for cubic surface with three A1 double points.

 1881 21 x 25 Gypsum