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[Subject: Precision & Other Instruments]
Translated in 6 languages
Translated by: ROBERT GRIGOR BAXTER
Translated in 4 languages
[Subject: Geology, Meteorology, Hydrology]
Translated in 3 languages
[Subject: Military Art & Science]
Translated in 2 languages
[Subject: Metallurgy]
Translated by: ESTEBAN ETXEBERRIA ARAMBURU