Mr Grove of Upper Harley Street London made drawings of Mars on October 26th, 31st and November 3rd1862. He used a 4.5 inch telescope made by Thomas Cooke of York, the focal length was 6 feet.
He was perfectly satisfied of there being notable changes in the distribution of the lights and shadows, inconsistent, it appears to him, there being land and water, or, as he should perhaps say, land and water only:
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