The classic rules of sliding friction were discovered by Leonardo da Vinci ( 1452 – 1519 ), but remained unpublished in his notebooks.

The two titles were Rajpurush ( translation of Niccolo Machiavelli's Il Principe ); translated by Doyeeta Majumder, with an introduction by Swapan Kumar Chakravorty, and Shilpachinta ( translation of selections from Leonardo da Vinci's notebooks ); translated by Sukanta Chaudhuri.

Alberti believed in ideal beauty, but Leonardo filled his notebooks with observations on human proportions, page after page, ending with the famous drawing on the Vitruvian man, a human figure related to a square and a circle.

The classic rules of sliding friction in machines were discovered by Leonardo Da Vinci ( 1452 – 1519 ), but remained unpublished in his notebooks.

In one of his notebooks Leonardo da Vinci wrote:

" In his notebooks Leonardo da Vinci wrote of the Siren, " The siren sings so sweetly that she lulls the mariners to sleep ; then she climbs upon the ships and kills the sleeping mariners.

The classic rules of sliding friction in machines were discovered by Leonardo Da Vinci ( 1452 – 1519 ), but remained unpublished in his notebooks.

In the notebooks of Leonardo da Vinci, it is stated that " Of all human opinions that is to be reputed the most foolish which deals with the belief in Necromancy, the sister of Alchemy, which gives birth to simple and natural things.

Note that Leonardo, in his notebooks, cited red, yellow, green and blue ( along with white and black ) as the " painter's primaries ", though he may not have had a specific palette in mind ; but replacing the cyan paint with a deep blue paint ( such as ultramarine blue ), and adding a green paint, greatly improves the saturation of both purple and green mixtures in a compact four paint selection, and allows a dark neutral or black to be mixed directly, using only red and green.

* 1505-Renaissance Italy: Leonardo da Vinci informs the player and Renee that his notebooks have been stolen, and as a result of his failure to stop the thief, Mona Lisa is angered and refuses to smile.

The name Mon Boso which appears in Leonardo da Vinci's notebooks very likely designated the same mountain.

This museum has displays of some of the inventions that are drawn in da Vinci's notebooks.

Several notebooks are in the collections of museums in Texas such as the Witte ( which mounted an exhibition of Dellschau and Da Vinci called " Flights of the Imagination ") and the San Antonio Museum ( which curated a solo exhibition of Dellschau entitled " Flight or Fancy?

Anastasio has often pulled lyrics for his music from large notebooks of poems and prose kept by Marshall, and the pair have also taken working retreats during which they wrote and / or recorded demos of new material.

Carlson wrote over 400 ideas for new inventions in his personal notebooks while working at Bell Labs.

They wrote to the police over their suspicions, and the police informed them that there were four pieces of paper referring to Ash in Mulcaire's notebooks, and five items relating to Chapman.

Her notebooks of the period include meditations and prayers ; she wrote of her desire to be " God's little artist " and to " become a saint.

3, 200 ) where she read voraciously in the town library and wrote poems secretly in notebooks from her grade school years to her high school years.

Joubert published nothing during his lifetime, but he wrote a copious amount of letters and filled sheets of paper and small notebooks with thoughts about the nature of human existence, literature, and other topics, in a poignant, often aphoristic style.

In over 4, 000 pages of notebooks, he drew detailed diagrams and wrote his observations.

He planned to study medicine and even wrote " Property of Medical Student Abba Schneller " on his notebooks, but his plans were disrupted by the outbreak of World War I in 1914.

Under house arrest in the Amalfi cliff town of Positano, Lev wrote his last book – scrawled in tiny print in half a dozen notebooks never before read by anyone – helped by a mysterious half-German salon hostess, an Algerian weapons-smuggler, and the poet Ezra Pound.

During a nasty fight, Betty accidentally discovers a series of notebooks that contain a novel Zorg wrote years ago.

The author Muriel Spark wrote all her novels on 72-page notebooks from James Thin.

Recently, Case Research Lab, the adjoining carriage house, and Case's home have been restored and research is ongoing with the collections of the lab that include all receipts, notebooks, correspondence, and much of the laboratory's original equipment, including the first recording device created to test the AEO light.

In Keng Kok, the City of Silkworms, the Prime Minister bought fried chickens and fried cicadas, and two notebooks for me.

Skeat “… in at least three cases and probably in all, in the form of codices " and he theorized that this form of notebook was invented in Rome and then “… must have spread rapidly to the Near East …” In his discussion of one of the earliest pagan parchment codices to survive from Oxyrhynchus in Egypt, Eric Turner seems to challenge Skeat ’ s notion when stating “… its mere existence is evidence that this book form had a prehistory ” and that “ early experiments with this book form may well have taken place outside of Egypt .” Early codices of parchment or papyrus appear to have been widely used as personal notebooks, for instance in recording copies of letters sent ( Cicero Fam.

The pages of parchment notebooks were commonly washed or scraped for re-use, called a palimpsest ; and consequently writings in a codex were considered informal and impermanent.

In 2008 16: 10 became the most common sold aspect ratio for LCD monitors and the same year 16: 10 was the mainstream standard for laptops and notebooks.

The " Compaq " name from its " HP Compaq " series was originally used for all of HP's business and budget notebooks.

Thomas continued to work as a freelance journalist for several years and during this time remained at Cwmdonkin Drive where he continued to add to his notebooks, amassing 200 poems in four books between 1930 and 1934.

He covered his notebooks with drawings, and he once said, " I was always hiding behind the instructor's chair, drawing for the duration of the class ".

The 2nd AC is also in charge of overseeing the meticulously kept notebooks that record when the film stock is received, used, and sent to the lab for processing.

* Windows XP Media Center Edition ( MCE ), released in October 2002 for desktops and notebooks with an emphasis on home entertainment.

The new notebooks, however, only came in 15. 4-inch models and the 12-inch and 17-inch PowerBooks remained available for sale at Apple stores and retailers, as well as the 15-inch model, which was sold until supplies ran out.

Despite the common belief that Edison did not use mathematics, analysis of his notebooks reveal that he was an astute user of mathematical analysis conducted by his assistants such as Francis Robbins Upton, for example, determining the critical parameters of his electric lighting system including lamp resistance by an analysis of Ohm's Law, Joule's Law and economics.

He also kept a series of notebooks, and these observations became the source for Thoreau's late natural history writings, such as Autumnal Tints, The Succession of Trees, and Wild Apples, an essay lamenting the destruction of indigenous and wild apple species.

However, a study of Dalton's own laboratory notebooks, discovered in the rooms of the Lit & Phil, concluded that so far from Dalton being led by his search for an explanation of the law of multiple proportions to the idea that chemical combination consists in the interaction of atoms of definite and characteristic weight, the idea of atoms arose in his mind as a purely physical concept, forced upon him by study of the physical properties of the atmosphere and other gases.

Other evidence also shows Newton's absorption in the Principia: Newton for years kept up a regular programme of chemical or alchemical experiments, and he normally kept dated notes of them, but for a period from May 1684 to April 1686, Newton's chemical notebooks have no entries at all.

The term Dynamic Infrastructures stands for a comprehensive range of IT products, solutions, and services – from PCs and notebooks, to data center solutions, and Infrastructure as a Service and Managed Infrastructure services that dynamically adapt and adjust to the ever changing demands of today ’ s economy

Additionally, his notebooks contain high-quality pen and pencil sketches, which were never meant for public viewing.

He also kept a series of journals that contained his notebooks for astronomical observations and his diary.

A study for The Last Supper from Leonardo's notebooks showing nine apostles identified by names written above their heads

* Balzac, 1946 – written, as Richard Friedenthal describes in a postscript, by Zweig in the Brazilian summer capital of Petrópolis, without access to the files, notebooks, lists, tables, editions and monographs that Zweig accumulated for many years and that he took with him to Bath, but that he left behind when he went to America.

Today, it is common for pages in such notebooks to include a thin line of perforations that make it easier to tear out the page.

Artists often use large notebooks which include wide spaces of blank paper appropriate for drawing.

Lawyers use rather large notebooks known as legal pads that contain lined paper ( often yellow ) and are appropriate for use on tables and desks.