Tag: General Knowledge
Who invented the international language called the ‘Esperanto’? The first ESPERANTO textbook was Lingvo Internacia, published in Russian by Dr Ludovic Zamenhof, a Polish oculist, under the pseudonymn ‘Dr …
Who opened the first escort agency? The first ESCORT AGENCY was the S.O.S. Bureau, opened at 31 Dover St, London, by Mrs Horace Farquharson in 1937. Rates varied according …
Who patented the escalator first? The first ESCALATOR was the Reno Inclined Elevator, patented by Jesse W. Reno of New York on 15 March 1892, and first installed at …
Who recorded the use of eraser first and where? The use of ERASER OR INDIA-RUBBER was first recorded by Dr Joseph Priestly in his Familiar introduction to the Theory …
Who used the equal sign first? The first EQUAL sign denoted by = was used by Robert Record, Fellow of All Souls, Oxford, in his algebra text The Whetstone …
When was the first envelope sent? The first ENVELOPE known to have been sent in British was used to enclose a letter addressed to Sir William Turnbull, Secretary of …
When was passenger elevator installed first? What were the later innovations? The first ELEVATOR (passenger) was installed in King Louis XV’s private apartments in the Petite Cour du Roy …
When did the electric torch come info use? The first ELECTRIC TORCH was a square 2-candlepower bull’s-eye lantern, manufactured by the Bristol Electric Lamp Co. in 1891. It weighed …
When did the electric oven come into use? The first ELECTRIC OVEN was installed at the Hotel Bernina in Samaden, Switzerland in 1889. No record survives of the inventor. …
When was electric motor horn marketed? The first ELECTRIC MOTOR HORN manufactured in Britain was the Wagner Electric Motor Horn, produced by United Motor Industries Ltd at Sherburne Works, …
