The invention of the piston and rotary valve by Heinrich Stölzel and Friedrich Blühmel, both Silesians, in 1815, was the first in a series of innovations, including the development of modern keywork for the flute by Theobald Boehm and the innovations of Adolphe Sax in the woodwinds.

Westinghouse was 19 years old when he created his first invention, the rotary steam engine.

His realizations allowed him to move away from the heavy in-line engines to lighter rotary models, which led to the invention of a 6-hp rotary engine for the improvement of vertical flight.

Such precise effects were made immeasurably simpler by the invention in 1827 by the English engineer Edwin Beard Budding of the rotary lawn mower, an extrapolation of machinery commonly being used to cut velvet pile.

The invention of ultra-violet curing inks has helped keep the rotary letterpress alive in areas like self-adhesive labels.

His first patented invention was a rotary water pump.

Before the invention of mercury arc rectifiers and high-power semiconductor rectifiers, this conversion could only be accomplished using motor-generators or rotary converters.

Anton Flettner was also noted for his invention of the famous Flettner rotary ventilator, widely used on buses, vans, boats, campervans and trucks to assist cooling without the use of energy — modern derivatives of his ventilator are still manufactured in Britain by Flettner Ventilator Limited.

They remained widely in use until the invention of offset lithography in the late 19th century led to rotary presses being mostly replaced by the new technology.

The European acceptance of the numerals was accelerated by the invention of the printing press, and they became widely known during the 15th century.

In 2010, Google estimated that since the invention of printing, approximately 130, 000, 000 unique titles had been published.

Developed by the Romans from wooden writing tablets, its gradual replacement of the scroll, the dominant form of book in the ancient world, has been termed the most important advance in the history of the book prior to the invention of printing.

This was possibly the only source of cosmology available to most unlearned people until literacy became more widespread after the invention of printing.

The invention of the printing press in the 15th century played a major role in the rapid spread of the Protestant Reformation under leaders such as Martin Luther and John Calvin.

With the invention of the printing press by Johannes Gutenberg in 1447, it became feasible to print books and maps for a larger customer basis.

His invention of mechanical movable type printing started the Printing Revolution and is widely regarded as the most important event of the modern period.

Among his many contributions to printing are: the invention of a process for mass-producing movable type ; the use of oil-based ink ; and the use of a wooden printing press similar to the agricultural screw presses of the period.

Although the present-day concepts of literacy have much to do with the 15th century invention of the movable type printing press, it was not until the Industrial Revolution of the mid-19th century that paper and books became financially affordable to all classes of industrialized society.

He proceeded to invent a new type of ink that didn't run, and he began a printing company based on his invention with a primitive typesetting arrangement using moveable type.

In 1740 Martin Holtzhey produced a medal to commemorate 300 years of printing and Coster's invention.

Political bias has been a feature of the mass media since its birth with the invention of the printing press.

Before the invention of woodblock printing in China or by moveable type in a printing press in Europe, all written documents had to be both produced and reproduced by hand.

Rather, the invention of the printing press allowed some authors to disseminate superstitions and misconceptions about the fungi that had been perpetuated by the classical authors.

Earlier, the guilds of writers had denounced the printing press as " the Devil's Invention ", and were responsible for a 53-year lag between its invention by Johannes Gutenberg in Europe in c. 1440 and its introduction to the Ottoman society with the first Gutenberg press in Istanbul that was established by the Sephardic Jews of Spain in 1493 ( who had migrated to the Ottoman Empire a year earlier, escaping from the Spanish Inquisition of 1492.

The profession of printer became established after the invention of the moveable type printing press by Johannes Gutenberg around 1450, and proliferated throughout Europe.

Typically used for texts, the invention and spread of the printing press are widely regarded as among the most influential events in the second millennium revolutionizing the way people conceive and describe the world they live in, and ushering in the period of modernity.

Although the invention of the printing press led to a reduced interest in hand made cards and items, by the 18th century, people were regaining interest in detailed handwork.

The use of punctuation was not standardised until after the invention of printing.

Shortly after the invention of printing, the necessity of stops or pauses in sentences for the guidance of the reader produced the colon and full point.

The invention of the printing press in Germany around 1440 made it possible for common people to have access to printed materials including the Bible.

As a matter of fact, private media companies became very powerful since the invention of the printing press, cinema, radio and TV, and in history the age of amanuenses ( the manual copysts of Middle Ages ) is perhaps characteristic in demonstrating the attention that usually official powers attribute to communication.

Its use spread throughout Europe, especially after the invention of the printing press ; but the editors introduced variations of their own choosing, some of them substantial.

Morse wrote to the New-York Observer a letter describing the invention, a letter which was published widely in the American press and provided a broad awareness.

It is important to note that ancient precedent existed for alternative theories and developments which prefigured later discoveries in the area of physics and mechanics ; but in the absence of a strong empirical tradition, dominance of the Aristotelian school, and in light of the limited number of works to survive translation in an era when many books were lost to warfare, such developments remained obscure for centuries and are traditionally held to have had little effect on the re-discovery of such phenomena ; whereas the invention of the printing press made the wide dissemination of such incremental advances of knowledge commonplace.

The invention of the printing press made it possible for scientists and politician s to communicate their ideas with ease, leading to the Age of Enlightenment ; an example of technology as a cultural force.

Because the earliest tarot cards were hand-painted, the number of the decks produced is thought to have been rather small, and it was only after the invention of the printing press that mass production of cards became possible.

His treatise, De Medicina, was the first medical book printed in 1478 following the invention of the movable-type printing press.

The hoax was lent an air of credibility because often medieval monks did discover scientific and mathematical theories, only to have them hidden or shelved due to persecution or simply ignored because publication prior to the invention of the printing press was difficult at best.

This, as well as many other factors, such as the mid 15th-century invention of the printing press, and the fall of the Eastern Roman Empire, contributed to the creation of Protestantism.

Political bias has been a feature of the mass media since its birth with the invention of the printing press.

* Interview for the Indian press with Hedy Lamarr's ( the inventor of spread spectrum ) son, Anthony loder, on the impact of her invention