Category: General Knowledge
When were electric lamps used for street lighting? The first ELECTRIC LAMPS USED FOR STREET LIGHTING were arc lamps installed experimentally in le quai Conti and la place da …
Who made the first domestic installation of electric lamps? The first PERMANENT DOMESTIC INSTALLATION Of electric lamps was made by Moses G. Farmer, a professor at the Naval Training …
Who developed the first electric lamp? Who developed the incandescent electric lamps? The first ELECTRIC LAMP of practical utility was developed by the self-taught Scottish scientist, James Bowman Lindsay, …
Who patented the electric heating system? The first ELECTRIC HEATING SYSTEM was patented in the USA by Dr W. Leigh Burton in 1887 and introduced commercially two years later …
Who produced commercially electric fans? The first ELECTRIC FAN to be produced commercially was developed by Dr Schuyler Skatts Wheeler, Chief Engineer of the Crocker & Curtis Electric Motor …
Who invented the duplicating machine? The first DUPLICATING MACHINE was invented by James Watt in order to expedite the large amount of copying involved in running his steam-engine business …
Who discovered the dry-cleaning process? The first DRY-CLEANING process was discovered in 1849 by M. Jolly-Bellin of Paris, when he upset a lamp on a table-cloth newly laundered by …
Who introduced driving test to get license? The first DRIVING TEST was introduced under Rule III, Para 18, of the Paris Police Ordinance relating to the registration and licensing …
Name the first driving School. The first DRIVING SCHOOL in Britain, titled was the Liver Motor Car Depot and School of Automobilism, Birkenhead, established by William Lea in May …
When did driving licences come into effect? The first DRIVING LICENCES were issued to French motorists under the Paris Police Ordinance of 14 August 1893 (Rule I, Para 1), …
