Museums and archives
First model of the machine for adding and subtracting is stored in the State Museum of the History of Saint Petersburg (Commandant's House of the Peter and Paul Fortress, Russia).
Original papers by Tchebyshev
Calculating machine with continuous movement / After: The complete works of P. L. Tchebyshev. Vol. IV. Theory of mechanisms. — Moscow-Leningrad: AS USSR. 1948. P. 158–160. (Russian)
Research
V. G. von Bool. Tchebyshev's arithmometer // Izvestiya of the Imperial Society of Devotees of Natural Sciences, Anthropology, and Ethnography, affiliated with the Imperial Moscow University. XCI, iss. 1. Proceedings of the physics department of the society of devotees of natural sciences. 1894. Vol. 7, iss. 1. P. 12–22. (Russian)
V. G. von Bool. Tchebyshev's arithmometer // Vestnik of experimental physics and elementary mathematics. 1895. Semester XVIII, №. 205, P. 5–10; №. 207, P. 52–56; №. 210, P. 134–141. (Russian)
I. I. Artobolevsky, N. I. Levitsky. Tchebyshev's Mechanisms / In: P. L. Tchebyshev’s Scientific Heritage. Iss. 2. Theory of mechanisms. — Moscow-Leningrad: AS USSR. 1945. P. 236. (Russian)
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. 242. (Russian)
Other sources
Arithmometer. Second model with the multiplying attachment.
Inventory book of the Practical Mechanics Cabinet of the University of Saint Petersburg (1865—1928).
Letter of V. G. von Bool to P. L. Tchebyshev (about an article on the second model of the arithmometer; Archive of the RAS, fonds 505, opis 1, № 56). (Russian)
