Q. First steam engine builds to pump water by Thomas Newcomen in

View solution

Q. A steam shovel is a machine designed for moving and lifting material in mining industry such as rock and soil is invented in 1835 by

View solution

Q. Inventor who invented first hand-cranked ice-cream churn and patented invention but lack resources to make and market churn is

View solution

Q. Telephone is invented by

View solution

Q. Telephone was invented in

View solution

Q. Thermistor was invented in

View solution

Q. Toggle light switch was patented by Morris Goldberg and William John Newton in

View solution

Q. Transistors was invented by

View solution

Q. Who invented Insulin ?

View solution

Q. Who invented X-Ray ?

View solution

Q. Who invented Chloroform ?

View solution

Q. Who invented Crescograph ?

View solution

Q. Who invented Thermometer ?

View solution

Q. Who invented Penicillin ?

View solution

Q. Who invented Antigen ?

View solution

Q. Who invented Blood Transfer ?

View solution

Q. Who invented Heart Transplantation ?

View solution

Q. Who invented treatment for Diarrhoea?

View solution

Q. Who invented Electrocardiograph ?

View solution

Q. Who invented treatment of Plague ?

View solution