Little known facts about the most expensive pencil sketch in the world

The Daily Mail reports that a sketch of the legendary inventor Thomas Edison’s light bulb is about to be auctioned with a starting price of £90,000 (equivalent to more than VND 2.6 billion) in London (UK).

This drawing was made by legendary inventor Thomas Edison, although the lines are quite simple, it is a step forward in design, because with these drawings, Edison is trying to improve the design of the light bulb. new style, compared to the first electric light bulb he made.

It is known that Edison made these sketches while on honeymoon with his second wife – Mina Miller in Florida (USA) in 1886. Including 7 sketches made by Edison himself. Pencil strokes show his detailed ideas for improving the original design of the electric light bulb (released 7 years earlier).

Little known facts about the most expensive pencil sketch in the world
Image of Thomas Edison’s sketch of an electric light bulb.

Little known facts about the most expensive pencil sketch in the world

Little known facts about the most expensive pencil sketch in the world

Little known facts about the most expensive pencil sketch in the world

Little known facts about the most expensive pencil sketch in the world

These drawings were made 7 years after Edison introduced to the public the first electric light bulb. This time, he wanted to improve on the original design. All drawings are done in pencil.

It is known that these sketches were originally in the same notebook but were later torn apart and marked with the initials of Edison’s name. Besides the sketches there is an original light bulb made to his design from 1880 and now in the possession of a collector.

The drawings show Edison’s abundant creative ideas, and also show that he constantly wants to improve what he has invented, so that each product reaches perfection.

Most of Edison’s autographs are now kept in the collections of museums and exhibitions under public ownership, so the appearance of his autographs belongs to the private collection and again to the public. being publicly sold on the auction market is indeed a rarity.

Thomas Alva Edison (1847 – 1931) was one of the greatest inventors in the history of the world who developed many devices that greatly influenced life in the 20th century. During 84 years of his life , who is known as “The Wizard of Menlo Park” owns a total of 1,093 patents named after him.

Among them, his most famous invention is the electric light bulb with the phonograph, various electrical systems, the cinema projector, the telegraph, the phonograph… Therefore, most of the autographs. Edison’s works are now kept in the collections of museums and exhibitions under public ownership. Therefore, the appearance of his sketches belonging to a private collection and being sold publicly on the auction market is rare and attracts the attention of the public.

Little known facts about the most expensive pencil sketch in the world
Thomas Edison.

However, many documents say that Thomas Alva Edison was not the first person to invent the light bulb as we think. Before that, there were many scientists from the UK, Germany, France, Russia… created different versions of light bulbs, but with poor performance, easy damage and difficulty in wide applicability. cobble. Even the inventions that have proven their effectiveness, after a long time still cannot be traded in the market and finally have to sell the design rights to Edison.

By 1879, Edison and his team of talented engineers officially researched the production of light bulbs, with more than 3000 designs for incandescent bulbs from 1878 to 1880. After 2 years of research with the number of samples With more than 6000 and countless improvements, the first tungsten incandescent lamp with a lifespan of 1000 hours was born, opening the era of electric light for all mankind.