Philosophical Transactions of the Royal Society of London, Volume 103W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
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Pagina 7
The mechanical force of this compound in detonation , seems to be superior to that of any other known , not even excepting the ammonjacal fulminating silver . The velocity of its action appears to be likewise greater .
The mechanical force of this compound in detonation , seems to be superior to that of any other known , not even excepting the ammonjacal fulminating silver . The velocity of its action appears to be likewise greater .
Pagina 114
Those who draw silver wire in large quantities for lace and embroidery , sometimes begin with a rod that is about three inches in diameter , and ultimately obtain wires that are as small as são of an inch in thickness .
Those who draw silver wire in large quantities for lace and embroidery , sometimes begin with a rod that is about three inches in diameter , and ultimately obtain wires that are as small as são of an inch in thickness .
Pagina 115
For the purpose of removing the coating of silver that surrounds it , the wire must be steeped for a few minutes in warm nitrous acid , which dissolves the silver without danger of doing any injury to the gold .
For the purpose of removing the coating of silver that surrounds it , the wire must be steeped for a few minutes in warm nitrous acid , which dissolves the silver without danger of doing any injury to the gold .
Pagina 116
One inch of this wire duly coated with silver was drawn till its length was extended to 182 inches , consequently the proportional diminution of the diameter of the platina will be expressed by the square root of 182 , so that its ...
One inch of this wire duly coated with silver was drawn till its length was extended to 182 inches , consequently the proportional diminution of the diameter of the platina will be expressed by the square root of 182 , so that its ...
Pagina 117
... to defeat all attempts to lay hold of an object so difficult to see , and so impossible to feel . It is therefore necessary to retain a part of the silver coating at each extremity , which , at the same time that it assists ...
... to defeat all attempts to lay hold of an object so difficult to see , and so impossible to feel . It is therefore necessary to retain a part of the silver coating at each extremity , which , at the same time that it assists ...
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Bibliografische gegevens
| Titel | Philosophical Transactions of the Royal Society of London, Volume 103 |
| Auteur | Royal Society (Great Britain) |
| Uitgever | W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
| Oorspronkelijk uit | Nationale Bibliotheek van Napels |
| Gedigitaliseerd | 29 okt 2015 |
| Citatie exporteren | BiBTeX EndNote RefMan |