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Adelung-1793: Hydraulik, die
Brockhaus-1809: Die Hydraulik
Brockhaus-1837: Hydraulik
Brockhaus-1911: Hydraulik
DamenConvLex-1834: Hydraulik
Herder-1854: Hydraulik
Lueger-1904: Hydraulik [2]
Meyers-1905: Hydraulik
Pierer-1857: Hydraulik