More information needed-=Rapidograph what/ The Koh I Noor ( named after the famous diamond, and itself meaning ( Mountain of Light)- Noor, current Queen of Jordan might be translated Lucy- as that also means light. anyhow they were a big outfit and made a large variety of precision instruments and drawing instruments. Originally French,. just a few weeks ago I picked up a Koh-I-Noor French Curve that was marked- Denmark, maybe a branch factory. they are still in business but no longer make Slide-rules. even the Army Corps of Engineers phased them out in I believe l973, no longer an issue item. last Army issue models were picketts and Posts ( both appropriate titles!). I would need more information they made Slide rules and also drawing instruments, still make the latter category. a good ( marque) Koh-i-Noor instruments were used on the drawing board- literally for the Concorde and on the navigation decks of French submarines. Good quality stuff.
The Koor-i-noor is a 105.6 carat, fine white diamond from the Kollur Mine, Golconda, India.
The Koh-i-Noor is a large, colorless diamond that has been part of various British royal jewels. Its name means "Mountain of Light" in Persian. It has a long and storied history, with origins in India and claims of bringing good luck to its owners.
The Koh-i-Noor diamond was handed over to Queen Victoria by the last Maharaja of the Sikh Empire, Duleep Singh, in 1851 as a part of the Treaty of Lahore following the British annexation of the Punjab region.
To prevent formation of soap (by substitute the water with alcohol). But indeed KOH forms an ester with fatty acids. Explain a bit the role of alcohol please. Sometimes KOH is used to conjugate and Fatty acid. When lead to saponification and when to conjugation?
Some famous diamonds include the Hope Diamond, the Koh-i-Noor Diamond, the Cullinan Diamond, and the Regent Diamond. Each of these diamonds is notable for its size, color, clarity, and historical significance.
"Radiograph," in the case of pens, is a misnomer for the "Rapidograph" pen, made by the Koh-I-Noor company of Germany. The Rapidograph is a refillable "technical" pen used for drafting and other precision drawing. The Rapidograph comes in 7 nib sizes, from .17mm to 1.5mm
There is a famous diamond named the Koh-i-noor.
The Koh-i-Noor diamond is 16 carat diamond ring originated from India. The name Koh-i-Noor is Persian it translates to "Mountain of Lights" in English.
The Koh-i-noor Diamond is priceless and has no listed value.
The Koh-i-noor diamond is priceless, and is not for sale. No official value is currently available for it, in any currency.
It is believed that the Koh-i-noor was originally found in India, in the Kollur Mine, which today is the state of Andhra Pradesh, probably in the 13th century.
Nadir Shah
The Koh-i-noor was found sometime during about the 13th century A.D., and the person who picked it up has a name that has been lost to history.
No. This is the original
Koh-i-noor
The Koor-i-noor is a 105.6 carat, fine white diamond from the Kollur Mine, Golconda, India.
Koh-i-Noor is a Persian term meaning "Mountain of Light." It is also the name of a famous diamond that has a long and storied history, passing through various hands and countries over the centuries. Today, the Koh-i-Noor diamond is part of the British Crown Jewels collection.