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There are 2 objects associated with "KerguelenIsland,IndianOcean".

Micrometer, Photographic

Micrometer, Photographic

Jaw micrometer. Unsigned. Transferred from the U.S. Naval Observatory.

This is one of eight identical instruments made for the eight American parties sent to observe the Transit of Venus in 1874. M...

Refracting telescope by Josef Fraunhofer , used to observe the 1874 and 1882 transits (on the right)

Refracting telescope by Josef Fraunhofer , used to observe the 1874 and 1882 transits (on the right)

This refracting telescope (Inventory-Number CIf10) was aquired by the Mathematisch-Physikalischer Salon (Dresden, Germany) from Bergrath Gehlen of Leipzig in 1823.

It was taken on German expedition...