The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 179
... piece of ore or other substance required to be examined : and when oxygen or hydrogen gas is used instead of common air , the heat is most powerful . 15. The various degrees of heat , or atomic motion which are required for the ...
... piece of ore or other substance required to be examined : and when oxygen or hydrogen gas is used instead of common air , the heat is most powerful . 15. The various degrees of heat , or atomic motion which are required for the ...
Страница 183
... piece of iron , laid on an anvil , receives the motion of a hammer , or when two pieces of wood are rubbed together , an intestine re - action of the atoms in the iron and wood takes place , accompanied by the perception of heat , and ...
... piece of iron , laid on an anvil , receives the motion of a hammer , or when two pieces of wood are rubbed together , an intestine re - action of the atoms in the iron and wood takes place , accompanied by the perception of heat , and ...
Страница 194
... piece of bright iron put into it . If arsenic , the residuum will tinge copper , white . 536. The vegetable kingdom affords manifold beau- tiful instances of the chemistry of nature . Water may be esteemed the chief pabulum of ...
... piece of bright iron put into it . If arsenic , the residuum will tinge copper , white . 536. The vegetable kingdom affords manifold beau- tiful instances of the chemistry of nature . Water may be esteemed the chief pabulum of ...
Страница 197
... piece of ore or other substance required to be examined ; and when the in- flammable gases are used instead of common air , the heat is most powerful . 11. The various degrees of heat which are required for the performance of chemical ...
... piece of ore or other substance required to be examined ; and when the in- flammable gases are used instead of common air , the heat is most powerful . 11. The various degrees of heat which are required for the performance of chemical ...
Страница 198
Sir Richard Phillips. · XXII . Electricity and Galvanism . 540. If a piece of glass , or sealing - wax , be rubbed on a piece of dry woollen cloth , or silk , and instantly held over any light substances , they will be attracted towards ...
Sir Richard Phillips. · XXII . Electricity and Galvanism . 540. If a piece of glass , or sealing - wax , be rubbed on a piece of dry woollen cloth , or silk , and instantly held over any light substances , they will be attracted towards ...
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