Adjustable arc curve ruler‍

Adjustable arc curve ruler

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Reconstruction — Reconstruction

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Reconstruction — Reconstruction

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Reconstruction — Reconstruction

Museums and archives

‍‍Mechanism is stored in the Science Museum (London, UK); № 1876-368.

‍‍Draft model is stored in the Museum of the History of Physics and Mathematics of Saint Petersburg State University (Peterhof, Russia).

‍‍Model is stored at the Department of Mathematics and Mechanics of Saint Petersburg State University (Peterhof, Russia).

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Science Museum, London) — Model by Tchebyshev (Science Museum, London)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Museum of St. Petersburg University) — Model by Tchebyshev (Museum of St. Petersburg University)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Museum of St. Petersburg University) — Model by Tchebyshev (Museum of St. Petersburg University)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Model by Tchebyshev (Museum of St. Petersburg University) — Model by Tchebyshev (Museum of St. Petersburg University)

Research

‍‍V. G. Bool. Arc Curve Ruler of Tchebyshev / Instrumenty i pribory dlya geometricheskogo chercheniya (Tools and devices for technical drawing). — M.: Edition of the Moscow Branch of the Russian Imperial Technical Society. (Russian)

‍‍Helmert. Hüffsmittel zur Zeichen sehr flächer Kreisbogen // Zeitschrift für Vermessungswesen. 1877. Bd. VI, heft 3. P. 148–157. (German)

‍‍I. I. Artobolevsky, N. I. Levitsky. Models of mechanisms of P. L. Tchebyshev / In: The complete works of P. L. Tchebyshev. Vol. IV. Theory of mechanisms. — Moscow-Leningrad: AS USSR. 1948. P. 234. (Russian)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Photo (reproduction) — Photo (reproduction)

Mechanisms by P. L. Tchebyshev — Adjustable arc curve ruler — Schematic representation (reproduction) — Schematic representation (reproduction)

Other sources

‍‍Inventory book of the Practical Mechanics Cabinet of the University of Saint Petersburg (1865⁠—⁠1928).

‍‍Document, stored in the Science Museum (London, UK).

Vsemirnaya Illustratsia (World Illustration). 1876. № 408. (Russian)

Model

‍‍Geometric 3D model by Mathematical Etudes.

All Mechanisms

Plantigrade machine

Sorting mechanism

Arithmometer. First model

Wheelchair

Paddling mechanism

Plantigrade machine (in metal)

Bicycle

Arithmometer. Second model with the multiplying attachment

Adjustable arc curve ruler

Lever-screw curvature measuring device

Steam engine

Centrifugal governor

Epicyclic gear of arithmometer

Gear set

Balance

Parallelogram

Press mechanism

Four-bar reversing approximate circle-tracing mechanism

Six-bar reversing mechanism

Paradoxical mechanism

Two-dwell mechanism

One-dwell mechanism

Long-dwell mechanism

Reversing and dwell mechanism

Multiple-bar two-dwell mechanism

Mechanism providing two driven link oscillations per crank revolution

Mechanism for transforming rotation into translational motion

Mechanism for transforming rotation into oscillation

Circle guiding mechanism with a dwell

Mechanism with a variable lever travel

Slider-crank mechanism of the steam engine

Stool

Four-bar approximate straight line mechanism

Reconstruction

Reconstruction

Reconstruction

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Science Museum, London)

Model by Tchebyshev (Museum of St. Petersburg University)

Model by Tchebyshev (Museum of St. Petersburg University)

Model by Tchebyshev (Museum of St. Petersburg University)

Photo (reproduction)

Schematic representation (reproduction)

Название