Engraving depicting Giuseppe Piazzi's refracting telescope with achromatic lens built by Jesse Ramsden. Giuseppe Piazzi (1746-1826) an Italian Catholic priest of the Theatine order, mathematician, and astronomer. Jesse Ramsden (1735-1800) an English mathematician, astronomical and scientific instrument maker. Dated 19th Century

- Image ID: KJ1MC3
Engraving depicting Giuseppe Piazzi's refracting telescope with achromatic lens built by Jesse Ramsden. Giuseppe Piazzi (1746-1826) an Italian Catholic priest of the Theatine order, mathematician, and astronomer. Jesse Ramsden (1735-1800) an English mathematician, astronomical and scientific instrument maker. Dated 19th Century
World History Archive / Alamy Stock Photo
Image ID: KJ1MC3