In collecting this dust from the tops of the instrument cases, great care was taken not to touch the walls. The quantity thus collected for examination amounted to about 450 grains. It was nearly black, and under the microscope it appeared to consist... The London Lancet - Pagina 2021859Volledige weergave - Over dit boek
| 1860 - 566 pagina’s
...this dust from the tops of the cases containing the instruments, great care was taken not to touch the walls. The quantity thus collected for examination...amounted to about 450 grains. It was nearly black, and, Tmder the microscope, appeared to consist of fibres of sooty particles. It was very light and flocculent.... | |
| 1859 - 668 pagina’s
...years. In collecting this dust from the tops of the instrument cases, great care was taken not to touch the walls. The quantity thus collected for examination...sooty particles. It was very light and flocculent. 150 grains of this dust were examined by Reinsch s process, and enough metallic arsenic was obtained... | |
| 1859 - 780 pagina’s
...touch the walls. The quantity thus collected for examination amounted to about four hundred and fifty grains. It was nearly black, and under the microscope...fibres and sooty particles. It was very light and floeculcnt. One hundred and fifty grains of the dust were examined by Reinsch's process, and enough... | |
| 1859 - 328 pagina’s
...from the walls covered with an unglazed arsenical paper, about four hundred and fifty grains of dust : it was nearly black, and under the microscope it appeared to consist of fibres and sooty particles, very light and flocculent. One hundred and fifty grains of the dust were examined by Reinsch's process,... | |
| Andrew Wynter - 1860 - 554 pagina’s
...this dust from the tops of the cases containing the instruments, great care was taken not to touch the walls. The quantity thus collected for examination...grains. It was nearly black, and, under the microscope, appeared to consist of fibres of sooty particles. It was very light and flocculent. One hundred and... | |
| 1862 - 586 pagina’s
...years. In collecting this dust from the tops of the instrument cases, great care was taken not to touch the walls. The quantity thus collected for examination...fibres and sooty particles. It was very light and flocculeut. One hundred and fifty grains of this dust were examined by Reiusch's process, and enough... | |
| 1859 - 780 pagina’s
...touch tho walls. The quantity thus collected for examination amounted to about four hundred and fifty grains. It was nearly black, and under the microscope...fibres and sooty particles. It was very light and flocculcnt. One hundred and fifty grains of the dust were examined by Reinsch's process, and enough... | |
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