![On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition](https://www.sophiararebooks.com/pictures/thumb/4782.jpg?v=1592230022)
On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition
![William Herschel (1738-1822) German-born English astronomer investigating heating effect of infra-red (published 1800) In background is Herschel's 40ft reflecting telescop Artist's reconstruction Stock Photo - Alamy William Herschel (1738-1822) German-born English astronomer investigating heating effect of infra-red (published 1800) In background is Herschel's 40ft reflecting telescop Artist's reconstruction Stock Photo - Alamy](https://c8.alamy.com/comp/TXGXX2/william-herschel-1738-1822-german-born-english-astronomer-investigating-heating-effect-of-infra-red-published-1800-in-background-is-herschels-40ft-reflecting-telescop-artists-reconstruction-TXGXX2.jpg)
William Herschel (1738-1822) German-born English astronomer investigating heating effect of infra-red (published 1800) In background is Herschel's 40ft reflecting telescop Artist's reconstruction Stock Photo - Alamy
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Sir Frederick William Herschel Stock Illustration - Download Image Now - Sir Frederick William Herschel, Astronomer, 18th Century - iStock
![On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition](https://sophiararebooks.cdn.bibliopolis.com/pictures/4782a.jpg?auto=webp&v=1557749026)
On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition
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