the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 devices u0434u043bu00a0 u0432u043eu0441u043fu0440u043eu0438u0437u0432u0435u0434u0435u043du0438u00a0 mathematical curves, can be used in the synthesis of mechanisms u043fu043eu0441u0442u0440u043eu0438u0442u0435u043bu0435u0439 and training etc. u043eu0446u0435u0441u0441u0435 higher and secondary educational establishments. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 broadening of the range of task by u043fu043eu0441u0442u0440u043eu0435u043du0438u00a0 arc u043au0430u0440u0434u0438u043eu0438u0434u044b on provincial u0443u0441u043bu043eu0432u0438u00a0u043c.the device contains u0448u0430u0440u043du0438u0440u043du044bu0439 creeper with u0438u0442u0430u043du0433u043eu0439, connecting rod, the larger u0448u0430u0440u043du0438u0440u043du044bu0439 creeper and a protractor, and the mechanism of u0434u043bu00a0 u0432u044bu0447u0435u0440u0447u0438u0432u0430u043du0438u00a0 curve containing two to u043du0430u043fu0440u0430u0432u043bu00a0u044eu0449u0443u044e, u0443u043bu0438u0441u044b, u0448u0430u0440u043du0438u0440u043du044bu0439 creeper with bars and u043eu0440u0442u043eu0433u043eu043du0430u043bu044cu043du044bu0439 u043au0440u0435u0441u0442u043eu043eu0431u0440u0430u0437u043du044bu0439 creeper with recording node and u0448u0430u0440u043du0438u0440u043eu043c. j il.
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