Tripods in front of the Magnetory Observatory, Botanic Gardens
Tripods in front of the Magnetory Observatory, Botanic Gardens
[1902]
The one on the left is an absolute magnetometer and the smaller instrument on the right is the dip circle. The buildings were constructed with copper nails and brass screws, locks and hinges to be free from foreign magnetic influence
File Reference CCL PhotoCD 9, IMG0006
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