Traces of the Development of Science and Technology(4) In 1885,automobile to be powered by an internal-combustion engine,the first gas- engined motorcycle ÷ln1886,Coca Cola In 1887,radar In 1899 vacuum cleaner. Traces of the Development of Science and Technology(4) ❖ In 1885, automobile to be powered by an internal-combustion engine, the first gas￾engined motorcycle ❖ In 1886, Coca Cola ❖ In 1887, radar ❖ In 1899 , vacuum cleaner