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Length-Measuring Instruments Using Mechanical Means
(AREA)
Abstract
NUEVA REGLA DE CÁLCULO CIRCULAR se caracteriza por una unidad logarítmica ENROLLADA EN DOS VUELTAS que forman una corona giratoria. Estas dos vueltas de la unidad logarítmica, por formar la corona giratoria, son solidarias en su giro y es equivalente a la reglilla móvil de las reglas de cálculo lineales.
ES0040507U1954-02-181954-02-18Una nueva regla de cálculo circular
ExpiredES40507Y
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