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  1. royalsociety.org › blog › 2024Copycats | Royal Society

    21 de may. de 2024 · Double-writing devices, or pantographs, were another line of investigation: Petty published his Declaration concerning the newly invented art of double writing in 1648, although it didn’t contain any details of his technique, just a claim over its priority with a 14-year patent.

  2. www.pepysdiary.com › encyclopedia › 1020Sir William Petty (The Diary of Samuel Pepys)

    27 de may. de 2024 · In 1646, he returned to England and developed a double-writing instrument with little success in sales. After his brother died, he approached his cousin, John Petty, offering to set him up in business on the understanding that John would be a trusted friend and help him in his chemistry and anatomy work.

  3. reviews.history.ac.uk › review › 1811Notebooks, English Virtuosi, and Early Modern Science

    9 de may. de 2024 · William Petty developed a ‘double-writing machine’ that enabled an individual to write two resembling copies at the same time, while Thomas Harrison invented a cabinet that housed notes on hooks which were ordered alphabetically and arranged into topic headings.

  4. www.speakup.es › explore › grammarDouble negatives (doble negación en inglés): cómo evitar este ...

    Hace 6 días · Utilizar “double negatives” o dobles negaciones en inglés es incorrecto. Aquí te explicamos de forma clara y sencilla las reglas para evitar cometer este error tan común. Alicia Burton. Actualizado a 29 de mayo de 2024, 18:11.

  5. blog.textranch.com › common-writing-mistakesCommon Writing Mistakes: Double Negatives - TextRanch Blog

    20 de may. de 2024 · Negatives are fine—without them, we wouldn’t be able to express certain ideas. However, double negatives are a common writing mistake among native and non-native English speakers alike. In this article, we will examine what a double negative looks like and how to change double negatives into the correct form.

  6. www.fluentu.com › blog › englishBusiness English Dialogues for Meetings and More - FluentU

    22 de may. de 2024 · If you want to improve your speaking skills at work, these business English dialogues will help prepare you for a range of situations in the workplace. Read this guide to see multiple example conversations that could be seen in meetings, conference calls and more.

  7. teacherphill.com › c2-proficiency-how-to-write-aCambridge C2 Proficiency (CPE): How to Write a Letter

    16 de may. de 2024 · A letter in Cambridge C2 Proficiency is not a mandatory task as it is one of the options in Part 2 of the writing test together with articles, reviews and reports. The only type of text that you have to write is an essay. Letter writing is very straightforward