The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 18
... like towns under ground ; and many miners pass their whole lives in them . The want of fresh air , and the influx of water , prevent mines from sink- ing deeper . 75. All the substances which form the ground and earth 18 METALLURGY .
... like towns under ground ; and many miners pass their whole lives in them . The want of fresh air , and the influx of water , prevent mines from sink- ing deeper . 75. All the substances which form the ground and earth 18 METALLURGY .
Страница 19
Sir Richard Phillips. 75. All the substances which form the ground and earth , are called minerals . Clay is a mineral ; all stones are minerals ; coal is a mineral ; chalk , and , in short , whatever is not animal or vegetable , is ...
Sir Richard Phillips. 75. All the substances which form the ground and earth , are called minerals . Clay is a mineral ; all stones are minerals ; coal is a mineral ; chalk , and , in short , whatever is not animal or vegetable , is ...
Страница 21
... substances are Antimony , Bismuth , Cobalt , Arsenic , Manganese , Palladium , Rhodium , Potassium , & c . to the number of thirty ; al- though the ancients knew of only seven metals . 93. Iron is formed into steel , by being heated ...
... substances are Antimony , Bismuth , Cobalt , Arsenic , Manganese , Palladium , Rhodium , Potassium , & c . to the number of thirty ; al- though the ancients knew of only seven metals . 93. Iron is formed into steel , by being heated ...
Страница 25
... substances of animals and fish , were used for this purpose , in the houses of the great ; but all these gave way to the fine invention of glass . 106. That useful material was discovered by acci- dent : some Phoenician carriers of soda ...
... substances of animals and fish , were used for this purpose , in the houses of the great ; but all these gave way to the fine invention of glass . 106. That useful material was discovered by acci- dent : some Phoenician carriers of soda ...
Страница 31
... substance , now the most used for every purpose of clothing and furniture , is the product of the cotton - tree , or plant . Obs . In hemp , as in flax , it is the cortical part which is retained for the use of the manufacturer : the ...
... substance , now the most used for every purpose of clothing and furniture , is the product of the cotton - tree , or plant . Obs . In hemp , as in flax , it is the cortical part which is retained for the use of the manufacturer : the ...
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acid acre ancient angle animals aqueous humour Asia atmosphere atoms blood bodies Britain Cæsar called carbon carbonic acid cause chief chyle circle clouds colours combined consists copper countries degrees distance divided division duce earth effect electrical England English equal equator fall fire fluid force four glass globe half hatchment heat heavens Hence inches inhabitants insects iron islands Julius Cæsar Jupiter kinds lacteals land lens light lines matter Mercury metals miles millions mineral moon motion move nations nature nerves north pole object Obs.-The ocean optic nerve orbit oxygen pass phenomena pistil plants pounds principle produce proportion quadrupeds rays round Saturn savage nations sense side soil solid Sophism south pole species stamens stars stone substance sulphur sulphuric acid supposed surface Syllogism telescope tion tribes various vegetables velocity vibrations whole winds