Category: General Knowledge
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, …
Who patented electric motor? The first ELECTRIC MOTOR capable of practical application was patented by Thomas Davenport of Rutland. Vt. on 25 February 1837. Davenport put two 50 lb …
