Tag: book-blogger

  • Lessons 55-60

    Hola, today we are going to go over the rotary printing press, kerosene, antiseptic and the gas mask. Sounds interesting! Rotary Printing Press (Lesson 56) Richard Hoe was born in New York in 1812. He invented the rotary press in 1843. Rotary press uses rotating drums. This allows a “never ending” steam of paper to…

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