Categories

A
Algebraic Curves and Surfaces
B
Combinatorical Geometry
C
Topology
D
Kinematics and Mechanics
E
Differential Geometry
F
Algebra
G
Analysis, Probability Theory
H
Theory of Functions of Complex Variables
J
Differential Equations, Wave Theory
K
Geometrical Optics
L
Instruments and Devices.
I
Calculating machines
II
Other calculating devices
III
Planimeters, integraphs, harmonic analysis
IV
Drawing devices
V
Nomography
VI
Photogrammetry
XX
Others
M
History of Mathematis and Astronomy
Z
Other

Models of rubric: Drawing devices