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Instrument for measuring gears

Instrumento para medir ruedas dentadas

Instrument for measuring gears, serving at the same time to determine the error of division and eccentricity of a straight wheel with straight teeth.


Instrumento para medir ruedas dentadas, sirviendo al propio tiempo para determinar el error de divisiĆ³n y excentricidad de una rueda recta con dientes rectos.