The 4th Earl made a 3 foot telescope and thermopile to measure lunar heat. Pretty amazing.
Published in Proc of Royal Society 1869! www.jstor.org/stable/pdf/1...
The 4th Earl made a 3 foot telescope and thermopile to measure lunar heat. Pretty amazing.
Published in Proc of Royal Society 1869! www.jstor.org/stable/pdf/1...