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3 résultats pour : measurments

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Men of Fort Story operate an azimuth instrument
UMG22A21_035

Men of Fort Story operate an azimuth instrument

Worker taking a weight measurment of a California Condor egg ca. 27 February 2013
UMG22A13_417

Worker taking a weight measurment of a California ...

Man with a Riefler pendulum clock
UMG22A04_065

Man with a Riefler pendulum clock