 ... so regulated, that the bubbles may be counted as they rise from the bottom ; and continue the same heat till the solution is completed. Camphor acts more powerfully upon copal than any other substance.  Philosophical Magazine1799Προβολή αποσπασμάτων - Σχετικά με αυτό το βιβλίο
 | Royal Society of Arts (Great Britain) - 1799 - 1048 σελίδες
...from the bottom j and continue the fame heat till the folution is completed. Camphire Camphire ads more powerfully upon copal than any fubftance that...diflblve more copal than the menftruum will retain when when cold. The mod economical method will therefore be to fet the veflel which contains the folution... | |
 | 1799 - 498 σελίδες
...they rife from the bottom ; and continue the fame heat till the folution is completed. Camphire acts more powerfully upon copal than any fubftance that...whole becomes, in a few minutes, a tough coherent rnafs. The procefs above defcribed will diliblve more copal than the menftruum will retain when cold... | |
 | Tobias Smollett - 1800 - 612 σελίδες
...bubbles may be counted as they rife from the bottom ; and continue the fame heat till the fblution is completed. ' Camphire afts more powerfully upon...a fmall quantity of dry camphire rubbed with it in the'niorrnr, the whole bel comes in a few minutes a tough coherent mafs. The proceft above defcribed... | |
 | 1800 - 632 σελίδες
...they rife from the bottom ; and continue the fame heat till the folution is completed. Camphor a&s more powerfully upon copal than any fubftance that...copal is finely powdered, and a fma'll quantity of dry camphor rubbed with it in. the mortar, the whole becomes, in a few minutes, a tough coherent mafs.... | |
 | William Nicholson - 1800 - 644 σελίδες
...they rife from the bottom ; and continue the fame heat till the folution Is completed. Camphor acts more powerfully upon copal than any Fubftance that I have tried. If copal is finely powdered, ami a fmáll quantity of dry camphor rubbed with it in the mortar, the whole becomes, in a few minutes,... | |
 | 1814 - 202 σελίδες
...upon copal than any other substance. If copal is finely powdered, and a small quantity of dry camphor rubbed with it in the mortar, the whole becomes in a few minutes a tough coherent mass. The process above described will dissolve more copal than the menstruum will retain when cold.... | |
 | Hewson Clarke, John Dougall - 1817 - 902 σελίδες
...upon copal than any other substance. If copaï is fihely powdered, and a small quantity of dry camphor rubbed with it in the mortar, the whole becomes in a few minutes a tough coherent mass. The process above described will dissolve more copal than the menstruum will retain when cold.... | |
 | Hewson Clarke, John Dougall - 1817 - 928 σελίδες
...copal than any other substance. If copal is finely powdered, and a small quantity of dry camphor rnbbed with it in the mortar, the whole becomes in a few minutes a tough coherent mass. The process above described will dissolve more copal than the menstruum will retain when cold.... | |
 | Alexander Jamleson - 1821 - 456 σελίδες
...than any other substance. If copal finely powdered, be rubbed with a small quantity of dry camphor in the mortar, the whole becomes in a few minutes a tough coherent mass. The most economical method is to set the vessel which contains the solution by for a few days;... | |
 | John Imison - 1822 - 488 σελίδες
...upon copal than any other substance. If copal is finely powdered, and a small quantity of dry camphor rubbed with it in the mortar, the whole becomes in a few minutes a tough coherent mass. The process above described will dissolve more copal than the menstruum will retain when cold.... | |
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