A photoelectric device for the trip gear of a chronometer.

Publisher: Edp Sciences

E-ISSN: 1160-8161|21|S11|223-224

ISSN: 1160-8161

Source: Journal de Physique Appliqué, Vol.21, Iss.S11, 1960-11, pp. : 223-224

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next