Compass needle

This is a brass geologists compass. Geologists sometimes have to hike in remote areas so are limited on the equipment they can carry.

This compass not only does map reading but can also measure the angles, heights and directions of rock strata and fault lines. The other numbers and dials you see in the picture give the geologist the information they need to carry out the trigonometry calculus for these angles.

The camera was set to macro and I used a preset function to create a pin-hole effect.

 

 

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