Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 17
out taking certain precautions . The rough glass plate | must have been recently washed , so as to saturate with moisture the absorbent substances which exist in the depressions of the glass , and which are not rubbed off when the ...
out taking certain precautions . The rough glass plate | must have been recently washed , so as to saturate with moisture the absorbent substances which exist in the depressions of the glass , and which are not rubbed off when the ...
Strona 18
... glass - stoppered bottle , put away in a dark cupboard . Similar solutions , seeded in various ways , but left in a strong light for a number of months , gave no reaction whatever for nitrites or nitrates . The following experiments ...
... glass - stoppered bottle , put away in a dark cupboard . Similar solutions , seeded in various ways , but left in a strong light for a number of months , gave no reaction whatever for nitrites or nitrates . The following experiments ...
Strona 19
... glass tube . A passes through the stopper obliquely , outside the bottle , is bent at b , and terminates at c . E is bent as shown , and passes through the stopper to the interior of the bottle . D is a piece of caoutchouc tubing which ...
... glass tube . A passes through the stopper obliquely , outside the bottle , is bent at b , and terminates at c . E is bent as shown , and passes through the stopper to the interior of the bottle . D is a piece of caoutchouc tubing which ...
Strona 22
... glasses of different colours , and remarked that they were developed very unequally , those under the blue and violet ray being the most developed , and those under the green ray the least so . He arranges the rays , as regards the ...
... glasses of different colours , and remarked that they were developed very unequally , those under the blue and violet ray being the most developed , and those under the green ray the least so . He arranges the rays , as regards the ...
Strona 24
... Glass , Porcelain Retorts , Bottles , & c . GUARANTEED TO STAND HOT WATER . Prices , 6d . , 18. , and is . 6d . of all Chemists , Druggists , and Oilmen goynes ; Walton , Hassall , and Port . Wanted , a Foreman in Superphosphate ...
... Glass , Porcelain Retorts , Bottles , & c . GUARANTEED TO STAND HOT WATER . Prices , 6d . , 18. , and is . 6d . of all Chemists , Druggists , and Oilmen goynes ; Walton , Hassall , and Port . Wanted , a Foreman in Superphosphate ...
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