Volcanic gas collection via a funnel resting over bubbling spring -...

Volcanic gas collection via a funnel resting over bubbling spring -...

Detailed Description

Volcanic gas collection via a funnel resting over bubbling spring - when glass knob is turned, the accumulated gas is sucked into attached evacuated glass flask. Sample is analyzed in a laboratory.

Details

Image Dimensions: 667 x 1000

Date Taken: