Category: General Knowledge
Who discovered plastic? PLASTIC was Parkesine, a thermo-plastic material produced by Alexander Parkes of Birmingham in 1866, from nitrocellulose, camphor and alcohol. An almost exactly similar thermoplastic was …
Who took the first photograph? First PHOTOGRAPH. The first PHOTOGRAPH from nature, permanently fixed, was taker. by Nicephore Niepce from an upper-storey window at his house at Gras, near …
Who developed the drycopier? First DRY COPIER. The first DRY COPIER was the Xerox Model A, an oversize 600 lbs machine developed by Chester Carlson and known to its …
Who marketed the first photocopier? First PHOTOCOPIER. The first PHOTOCOPIER was marketed by the Rectigraph Co. of Rochester, New York in 1907. The patentee of the Rectigraph machine was …
Who made the first petrol pump? First PETROL PUMP. The first PETROL PUMP was made by ‘Sylvanus F. Bowser of Fort Wayne, Ind. and delivered to local store-keeper Jake …
When was the first personal organizer, the Lefax, used? First PERSONAL ORGANIZER. The first PERSONAL ORGANIZER was the Lefax, produced in Philadelphia in 1910 primarily for the benefit of …
Who discovered Penicillin? Who prepaid the first purified Penicillin? First PENICILLIN. The first PENICILLIN was discovered by Dr Alexander Fleming at St Mary’s Hospital, Paddington, London in September 1928. …
When was the first pedestrian crossing established? First PEDESTRIAN CROSSING. The first PEDESTRIAN CROSSING in the UK was established in Parliament Square, London at the instigation of the London …
Who used the first parachute to descend from a height? First PARACHUTE. The first PARACHUTE descent by an aeronaut was made over the Parc Monceau, Paris on 22 October …
Who published the first paperback book? First PAPERBACK BOOK. The first PAPERBACK BOOK series was the ‘Collection of British Authors’ published by Christian Bemhand Tauchnitz in Leipzig in 1841. …