# Case number N.N.

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No. 912

Symmetric gyros for the demonstration of the stability zones

In row 1

No. 911

Asymmetric gyros for the demonstration of the stability zones

In row 1

No. 922

Balance pendulum

In row 1

No. 304

Folder with drawings to the projective theory of conic sections

In row 1

No. 305

Drawings of polyangular circular arcs

In row 1

No. 306

Drawing to the Schwarz reflection principle

In row 1

No. 501

Instrument for the composition of harmonic vibrations

In row 1

No. 524

Coordinatograph from Coradi for Cartesian coordinates

In row 1

No. 565

Drawing machine Kuhlmann with drawing table

In row 1