AIRY (Sir George Biddell, 1801-1892, Astronomer Royal 1836-1881)

Autograph Letter Signed to G. V. Fowler replying to his letter and saying he was "totally unable to understand your letter ... I would request to be excused from giving further attention to this matter, unless it assumes a more practical shape ...", side 8vo., Royal Observatory, Greenwich, 4th August

Airy was famous for "weighing the earth", using variations in the pendulum at the top and bottom of a mine-shaft.

Item Date:  1864

Stock No:  41431