Frederic de la rue biography of william

Warren de la Rue D.C.L., F.R.S, Ph.D (1815-1889).

1815 Son of the late Mr. Thomas de la Rue, born in Guernsey in 1815.

He was educated in Paris, and succeeded his father as head of the firm of Thomas de la Rue and Co.

By 1837 both Thomas de la Rue's sons were working in the business.

The Indefinite Article - De La Rue, carousel

He patented a number of inventions, among them being processes for utilising earth oils, and machinery for simplifying the making of writing materials. The principal scientific work in which he distinguished himself was the application of photography to the recording of celestial phenomena. The photographs, when measured by a micrometer which he invented, furnished exact astronomical data.

1860 He went to Spain with the Himalaya Expedition, and was successful in obtaining a series of photographs of the total eclipse of the sun on July 18th.

President of The British Association.

1870 Warren ret William Frederick De La Rue (deceased) - Genealogy - ZOJU