例文
- William A Prendergast was selected as president of the company in 1919 . By 1920 WS Valentine was not in the Board of Directors anymore.
- In 1920 W . J . Stern of the Air Ministry Laboratory in South Kensington wrote a report in response to an Aeronautical Research Committee ( ARC ) request about the possibilities of developing a gas turbine engine to drive a propeller.