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At the 1889 World Fair in Paris, the Hardtmuths displayed their pencils rebranded as "Koh-I-Noor Hardtmuth". Each pencil was encased in a yellow cedar-wood barrel. The inspiration for the name was the Koh-i-Noor diamond (Persian for "Mountain of Light"), part of the Crown Jewels of the United Kingdom, and the largest diamond in the world at the ...
The huge diamond is steeped in history and controversy over how it came to be in the possession of British royalty
This method of manufacture, which had been earlier discovered by the Austrian Joseph Hardtmuth, the founder of the Koh-I-Noor in 1790, remains in use. In 1802, the production of graphite leads from graphite and clay was patented by the Koh-I-Noor company in Vienna. [24] In England, pencils continued to be made from whole sawn graphite.
The presentation of the Koh-i-Noor by the East India Company to the queen was the latest in a long history of transfers of the diamond as a coveted spoil of war. [49] Duleep Singh had been placed in the guardianship of Dr John Spencer Login, a surgeon in the East India Company Army serving in the Presidency of Bengal. Duleep Singh moved to ...
Introduction. The introduction of the book describes the event at the center of contemporary controversy, which is that the East India Company compelled 10-year-old Duleep Singh, heir to the Sikh Empire, to agree to the 1849 Treaty of Lahore, and its stipulation that he give the Koh-i-Noor to the East India Company.
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Aerial Photo of Coster Diamonds Replica of the Crown of Queen Elizabeth The Queen Mother, which holds the Koh-i-Noor diamond. Royal Coster Diamonds is a diamond polishing factory in Amsterdam, Netherlands. Founded in 1840, it is the oldest in the world, and has handled a number of historical masterpieces.
The general appearance is an imperfect oval, with only one projection which will require the saw: it will easily cut into a splendid brilliant, larger and more valuable than the present Koh-i-núr. [2] [The Koh-i-noor diamond was cut down from 191 modern carats (38.2 g) to 105.6 carats (21.1 g) in 1852.]
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