 | John Nicholson - 1825 - 822 páginas
...annointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other, by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the same time, and after they become cold, they are found firmly united. Copper... | |
 | 1841 - 444 páginas
...anointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other, by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the same time, and after they become cold, they are found firmly united. Copper... | |
 | Colin MacKenzie - 1853 - 498 páginas
...anointed with a solution of borax, or strewei with fine powdered borax itself, and then cnnfinei In contact with each other, by binding wire When they are exposed to a sufficient decree ol heat, the flux causes the surfaces to fuse at the same time, and after they become cold,... | |
 | Colin MacKenzie - 1867 - 510 páginas
...anointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other, by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the same time, and after they become cold they are found firmly united. Copper... | |
 | Ernest Spon - 1879 - 478 páginas
...anointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other by binding wire. When they are exposed to a sullicient degree of heat, the flux causes the surfaces to fuse at the same time, and when cold they... | |
 | 1883 - 496 páginas
...anointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the eame time, and when cold they are firmly united. Copper may likewise be plated... | |
 | 1903 - 448 páginas
...anointed with a solution of borax, or strewed with fine powdejed borax itself, and then confined in contact with each other by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the same time, and when cold they are firmly united. Copper may likewise be plated... | |
 | 1906 - 472 páginas
...anointed with a solution of borax, or strewed with fine powdered borax itself, and then confined in contact with each other by binding wire. When they are exposed to a sufficient degree of heat, the fiux. causes the surfaces to fuse at the same time, and when cold they are firmly united. Copper may... | |
 | 1909 - 612 páginas
...anointed with a solution of borax, ' or strewed with fine powdered borax I itself, and then confined in contact : with each other by binding wire. When they...to a sufficient degree of heat, the flux causes the surfaces to fuse at the same time, and when cold they are firmly united. Copper may likewise be plated... | |
| |
... be left rough. The silver is first annealed, and afterwards pickled in weak spirit of salt ; it is planished, and then scraped on the surface to be fitted on the copper. These prepared surfaces are anointed with a solution of borax, or strewed with... 