The complete drawings can all be seen here (details of selected drawings are shown in this blog and theres another blog you can read here.
And we are part of a lucky group able to see this group of Leonardos remarkable drawings, looking virtually as fresh as the day he finished them, more than 500 years ago.
Slightly confusingly, the coloured drawing materials Leonardo used are generally referred to as chalks a kind of shorthand for borsa louis vuitton sconti artists sketching materials from the earth that have a dry, non-greasy character.
Here, British conservator Alan Donnithorne demonstrates the primitive, yet ingenious, tools that da Vinci used to produce drawings: Enter a caption (optional how about that erasable paper?Its also acidic, and when it was mixed with little scraps of iron, it created a chemical reaction resulting in even darker liquid.The next owner put them into albums, protecting them from fading and other damage.Leonardo's drawings are the richest, most wide-ranging, most technically brilliant, and most endlessly fascinating of any artist.The engraved wing sketch on the forepart and the bat on the 750 gold nib honour his study of the characteristics of flying beasts, while the mirror in the cap-top, revealing the Montblanc emblem, is a reference to his mirror studies.You can keep track here.
The wedge shapes recall Leonardos method of connecting mechanical parts.
Enter a caption (optional the works have been selected to show the extraordinary scope of the artist's interests, from painting and sculpture to engineering, zoology, botany, mapmaking and anatomy, as well as his use of different media pen and ink, red and black chalks, watercolour.
Gum arabic (made from the sap of acacia trees) was added to help the ink stick to the paper.
The precision and subtlety of this drawing are just amazing.
Leonardo preferred it for many of his studies from life, and he was able to achieve impressively naturalistic detail in drawings like his study of a nude man (detail shown).
Making ink was another story.
But his materials were quite basic.To allow the metal point to actually make a mark, the artist or their assistant first had to cover the paper with a slightly rough coating based on bone ash, rabbit-skin glue and a little colour powder.It was dug up from the ground and cut into handy-sized pieces for artists.After Leonardos death, his ex-pupil and friend Francesco Melzi continued to keep the drawings safe.You may be a bit surprised to learn that Leonardo didnt draw in pencil, or at least not the kind most of us use today graphite pencils didnt become available until 100 years later.Head of St Anne, Leonardo aided the tonal shading with a little bit of blurring, probably with his finger.One of Leonardos main drawing materials was ink, used with a quill pen.Once you know how, its apparently fairly easy (more details here but I imagine it must have been very hit and miss to start with.Leonardo da Vinci: Ten Drawings from the Royal Collection exhibit.They were originally bound into a single album, which was probably acquired in the 17th century by Charles.What matters is that you learn to draw.When the artist dipped the pen in ink, the liquid collected in the hollow shaft of the feather and gradually flowed down (depending on the skill of the pen-maker).The show is currently running at Laing Art Gallery in Newcastle, but only until April 24th.

The image reproduced above shows a young artist from around Leonardos time.
Enter a caption (optional).