The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 13
... acid , is mixed with the milk , which it soon cur- dles . In commerce these stomachs are called vells . The cheese would be white , if the milk were not previously colour- ed with Spanish or other Arnetta . The largest cheese - farms in ...
... acid , is mixed with the milk , which it soon cur- dles . In commerce these stomachs are called vells . The cheese would be white , if the milk were not previously colour- ed with Spanish or other Arnetta . The largest cheese - farms in ...
Страница 24
... acid or fixed air by fire ; by mixing it with sand or ashes , containing fixed air , you restore the lime to stone again in a short time . Hence the composition of mortar . With bricks and mortar , therefore , well laid by a bricklayer ...
... acid or fixed air by fire ; by mixing it with sand or ashes , containing fixed air , you restore the lime to stone again in a short time . Hence the composition of mortar . With bricks and mortar , therefore , well laid by a bricklayer ...
Страница 30
... acid . It is afterwards , if desired , printed to any pat- tern , by means of blocks of wood , cut out to the pat- tern , and is then pressed and glazed before it is used . Much skill and experience are required in fixing colours , so ...
... acid . It is afterwards , if desired , printed to any pat- tern , by means of blocks of wood , cut out to the pat- tern , and is then pressed and glazed before it is used . Much skill and experience are required in fixing colours , so ...
Страница 150
... acid principles , are considered as the effect of preparation or secretion . The green colour of vegetables arises from the oil they contain ; the rays of the sun extracting the oxy- gen from the outer surface , and leaving the carbon ...
... acid principles , are considered as the effect of preparation or secretion . The green colour of vegetables arises from the oil they contain ; the rays of the sun extracting the oxy- gen from the outer surface , and leaving the carbon ...
Страница 180
... acids are combinations of oxygen with other sub- stances ; 4. And that all salts are combination of an acid with oth- er substances , called the base of the salt . Obs . - Sir Humphrey Davy , in the preliminary observations to his ...
... acids are combinations of oxygen with other sub- stances ; 4. And that all salts are combination of an acid with oth- er substances , called the base of the salt . Obs . - Sir Humphrey Davy , in the preliminary observations to his ...
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