List of Scientific Inventions and Discoveries (Part-1)

Electromagnet➖ William Sturgeon (England)Steam Engine➖ James Watt (Scotland)Radio➖ G. Marconi (Italy)Microscope➖ Z. Janssen (Netherlands)Logarithm➖ John Napier (Scotland)Electric Lamp➖ Thomas Alva Edison (USA)Telephone➖ Alexander Graham Bell (USA)Elevator (lift)➖ Elisha G. Otis…