Different ways of measuring time.

Different ways of measuring time.
请帮我翻译一下以下几个测量时间的工具...
1.Sandglass.People used a sandglass to measure cooking time.
2.Candle clock.In the late 9th century,people used candles to tell the time indoors.
3.Weight-driven clock.A weight-driven clock was used in about 1309 in a church in Milan.
4.Spring-driven clock.People used spring-driven clocks in the late 15th century.
5.Pendulum clock.Clocks counted seconds for the first time in the late 17th century.Before that,they didn't even count minutes.

沙漏：人们曾用沙漏测算烹饪时间.
烛钟：19世纪末期,人们用蜡烛在室内测时间.
重量动力钟：1309年米兰的一间教堂曾用此钟.
弹簧钟：15世纪末,人们曾使用弹簧钟.
钟摆钟：17世纪末,钟第一次记秒,之前,钟表甚至无法记分钟.