 | 1828 - 888 páginas
...is completely out of the reach of cannon or other shot. In order to cause it to act as a ted tale, the compass box is made with a glass bottom, so that...lighted in the ordinary way. The compass is defended at top by a very thick piece of glass; such as I have used has been three-fourths of an inch in thickness,... | |
 | 1829 - 398 páginas
...is completely out of the reach of cannon or other shot. In order to cause it to act as a tell tale, the compass box is made with a glass bottom, so that...lighted in the ordinary way. The compass is defended at top by a very thick piece of glass ; such as I have used has been three-fourths of an inch in thickness,... | |
 | William Newton, Charles Frederick Partington - 1829 - 402 páginas
...is completely out of the reach of cannon or other shot. In order to cause it to act as a tell tale, the compass box is made with a glass bottom, so that...lighted in the ordinary way. The compass is defended at top by a very thick piece of glass ; such as I have used has been three-fourths of an inch in thickness,... | |
 | Luke Herbert - 1829 - 394 páginas
...is completely out of the reach of eannon or other shot. In order to cause it to act as a tell tale, the compass box is made with a glass bottom, so that...much more plainly seen at night, than when lighted in an ordinary way. The compass is defended at top by a very thick piece of glass ; such as I have used... | |
 | 1829 - 424 páginas
...out of the reach of cannon or other shot. In order to cause it to act as a tell-tale, the compass-box is made with a glass bottom, so that the card can...perfectly in the cabin as upon deck. I also make the compass-card translucent, or semi-transparent, in consequence ofwhich.it may always be lighted from... | |
 | Gill's scientific, technological and microscopic repository - 1829 - 416 páginas
...of the reach of cannon or other shot. fa order to- cause it to act as a tell-tale, the compass-box is made with a glass bottom, so that the card can...perfectly in the cabin as upon deck. I also make the compass-card translucent, or semi-transparent, inconsequence of which it may always be lighted from... | |
 | 1829 - 832 páginas
...planking of the deck of a vessel. The hole is cut through into the cabin, and is made with a glass top and bottom, so that the card can be seen as perfectly in the cabin as upon deck. This is one of the advantages which the inventor had in view. Another consists in placing the instrument... | |
 | Luke Hebert - 1829 - 392 páginas
...is completely out of the reach of cannon or other shot. In order to cause it to act as a tell tale, the compass box is made with a glass bottom, so that the card can be eeen as perfectly in the cabin, as upon deck ; I also make the compass card translucent, or semi-transparent,... | |
 | 1830 - 318 páginas
...out of the reach of cannon or other shot. In order to cause it to act as a tell-tale, the compass-box is made with a glass bottom, so that the card can...perfectly in the cabin as upon deck. I also make the compass-card translucent, or semi-transparent, in consequence of which it may always be lighted from... | |
 | 1835 - 908 páginas
...contained within the thickness of the deck. The patentee in that specification says, ''The compass bos is made with a glass bottom, so that the card can...upon deck; I also make the compass card translucent, in consequence of which it may be lighted from below; the compass is defended at top by a very thick... | |
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... is usually situated ; this hole is cut through into the cabin, and within it is placed the compass with its box, suspended in the usual way, and when so situated it is completely out of the reach of cannon or other shot. In order to cause it to act... 