I was taking it 50 mg every six hours. But what has happened? I have missed the dose and I took two at once. I know that I should not do that and I don't know what I was thinking about while taking it but it has happened. I am afraid of overdose. How much of diphenhydramine is an overdose?
Quick Answer. The train was first invented and patented in 1784, by James Watt. The first working model to be made and successfully run was created in 1804 by Richard Trevithick. Continue Reading.
Richard Trevithick built the first railway steam locomotive, which is also one of the greatest English inventions. When he initially invented the first high-pressure steam engine, it was so successful that he built a full-scale model for transporting ore.elephone is also among the greatest English inventions. British inventor Alexander Graham Bell used existing telegraph technology to develop the harmonic telegraph. This device transmitted different tones across wires using multiple reeds.