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.
Steam trains and railways. By Ben Johnson | Comments. An invention that changed the world was 200 years old in 2004. Britain celebrated the bicentenary of the steam railway locomotive with a year-long events programme, but it was not an engineering giant such as James Watt or George Stephenson that was feted. fÃªted