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- In 1000 parts of air there is one of carbon.
- 生氣千分內有炭氣一分
- Carbon is emitted in expiration
- 炭氣由肺呼出
- It is also the result of combustion.
- 物焚亦燒出炭氣
- Inspiring only carbon would be fatal.
- 人獨吸氣則死
- Vegetation (on the contrary) lives upon it.
- 草木藉炭氣而生
- In the air there is also aqueous vapour.
- 氣中有水汽
- It is most abundant in hot damp weather.
- 天𤍠雨多則汽多
- At night it is condensed and forms dew.
- 水汽夜遇冷則成露
- The atmospheric pressure.
- 地氣有壓重之力
- Supports mercury to the height of 28 inches.
- 托高管內水銀卄八英寸
- And water to the height of 32 feet.
- 托高管內之水三十二英尺
- The air presses equally in all directions.
- 地氣壓力周圍勻同
- Man is therefore unconscious of its weight.
- 壓力勻故人不覺
- The air in rapid motion is wind,
- 地氣速動則成風
- Its strength corresponds to its motion.
- 風之大小係依氣動之緩急
- The heat of the sun causes the air to ascend.
- 日𤍠則令地氣上升
- Fresh air immediately supplies its place.
- 隨時有氣補其空缺
The Air-pump. 抽風之器名氣機筩
- The round glass cylinder.
- 器上用玻璃圓罩
- The pump empties the air in the cylinder.
- 機筩抽出罩內之氣
- Any living thing within, then dies.
- 納生物於罩內則死
- A butterfly is unable to fly.
- 納蝶於罩內則不飛
- A lighted candle is extinguished.
- 納火於罩內卽滅
- A bell gives out no sound.
- 納鈴於罩內則無聲
- Gunpowder will not ignite.
- 納火藥於罩內不燒
- A coin and a feather fall together.
- 罩內無氣錢毛一齊墜落
The Barometer. 風雨針
- The mercury is placed in a tube.
- 水銀貯玻璃管內
- If any air enters it is useless.
- 外氣泄入則不應
- The mercury rises in fine weather.
- 水銀升則天晴
- Its fall indicates bad weather.
- 水銀降則風雨
- Its changes depend on atmospheric pressure.
- 升降全靠地氣壓力之輕重
