# 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
- Prism derivator
- Coordinatograph from Coradi for Cartesian coordinates
- Affinograph
- Hyperbola drawer from Rottsieper
- 2 ellipse drawers
- Catenograph
- Drawer of conic sections from Hildebrandt
- Ellipse circle from Karl Rohn
- 3 parallel rulers
- 2 perspective rulers
- Shader machine
- Carrier (angle meter)
- Measuring rod (O. Fennel, Cassel)
- High-precision pantograph from Coradi
- Mirror ruler according to Reusch
- Spline made of celluloid
- Bar circle
- Ruler made of celluloid from Boys and R. Rothe
- Drawing machine Kuhlmann with drawing table
- 2 rulers according to Boys made of celluloid
- Mirror ruler according to Blaess
- 2 adjustable splines
- Articulation mechanism
- Logarithmic measuring rod
- Logarithmic measuring rod
- High-precision carrier
- Adams angle divider
- Circle insert for angle tripartition and angle construction
- 4 antique drawing tools
- 4 antique drawing tools
- 4 antique drawing tools
- 4 antique drawing tools
- Perspectograph of Ritter
- Pointing machine of Wichmann
- Springbow of Wichmann
- Folding rule
- Ellipse compass by Butenschön
- Ellipsograph
- Evolvent compass by H. Hofer
- Adjustable spline
- Angle meter with several transversal measuring rods
- Slide: Perspective ruler
- Slide: Affinograph from Coradi
- Slide: Pantograph for the space
- Slide: Pantograph for the space
- Slide: Parallel ruler
- Slide: Proportional measuring rod

- V
- Nomography
- VI
- Photogrammetry
- XX
- Others

- M
- History of Mathematis and Astronomy
- Z
- Other