Adam Walker.European Magazine.
Published by J. Sewell, Cornhill, 1st July 1792.
Stipple. 190 x 125mm (7½ x 5").
Adam Walker (1731-1821), an inventor, writer, and lecturer in sciences, especially astronomy. Among his inventions was the 'Eidouranion', an orrery that combined mechanical movement with back projection. Walker built one measuring 27 feet in diameter, which he used to accompany his lectures on astronomy in the 1780s. He showed it at the English Opera House in the Strand and at the Royal Theatre.
[Ref: 30937] £50.00