Um chronographo de construção simples, permittindo registrar intervallos de tempo de 1 a 60 segundos

<abstract language="eng">Descriptive memorial of a chronograph made from a common chronoscop (Eastman Timer). The chronoscop has been modified in order to permit to adjust distinct cog-wheels, everyone in its turn, to the axis of the seconds hand. Each of these cog-wheels holds a def...

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Bibliographic Details
Main Author: Antonio Augusto Xavier
Format: Article
Language:English
Published: Instituto Oswaldo Cruz, Ministério da Saúde 1930-01-01
Series:Memórias do Instituto Oswaldo Cruz.
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761930000100004