Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology, Chemistry, Etc., Etc., Etc

ammonia angles animals antimony apparatus appear Aratus atmosphere attraction axis ball balloon battery body called carbonic acid carpel cause cells centre chemical clouds colour combination compound contains copper crustacea crystals cylinder disc distance earth effect electric current electricity electrophorus equal experiment feet flowers fluid force give glass globe gravity heat hydrogen illustration fig infusoria instrument iron Jupiter known lamp Leyden jar light lime liquid machine magnet means mercury metal miles minerals moon motion move movement nature needle nitric acid object observed obtained Oolite oxide oxygen paper particles pass perceived phenomena phosphorescent piece pistil plants plate platinum pole portion position Praxinoscope pressure produced rays retina rocks rotation round salt seen silver sound stamens stars substances sulphate sulphuric acid surface temperature termed tion tube turn vapour vegetable vibrations weight wheel wind wire zinc