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Let's Look at Water 1947 무료 무제한 액세스
This short documentary shows how a city's water supply is purified at a filtration plant. The complex system of the underground mains that supply all parts of the city with water is also illustrated, as is the safeguarding of water supplies on trains, ships and aircrafts.
유형: Documentary
캐스트: Vincent Paquette
크루: Harold Randall (Director), Harold Randall (Script), Vincent Paquette (Script), Harold Randall (Editor), Vincent Paquette (Producer), Charles Beddoe (Director of Photography)
사진관: ONF | NFB
실행 시간: 21 의사록
품질: HD
해제: Jan 01, 1947
국가: Canada
언어: English
