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" 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 seen as perfectly in the cabin as upon deck ; I also make the compass card translucent, or semi-transparent, in consequence of which it may... "
The Register of Arts, and Journal of Patent Inventions - Seite 6
herausgegeben von - 1829
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The Quarterly Journal of Science, Literature and Art, Band 27

1829 - 488 Seiten
...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 as a tell-tale, the compass box is made with a glass bottom, so that the card can be seen as perfectly in...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1828 - 888 Seiten
...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 as a ted tale, the compass box is made with a glass bottom, so that the card can be seen as perfectly in...
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The London Journal of Arts and Sciences

1829 - 398 Seiten
...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 as a tell...much more plainly seen at night, than when lighted in the ordinary way. The compass is defended at top by a very thick piece of glass ; such as I have used...
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London Journal of Arts, Sciences and Manufacturers, and Repertory of Patent ...

William Newton, Charles Frederick Partington - 1829 - 402 Seiten
...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 as a tell...much more plainly seen at night, than when lighted in the ordinary way. The compass is defended at top by a very thick piece of glass ; such as I have used...
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The Register of arts, and journal of patent inventions, ed. by L ..., Band 3

Luke Hebert - 1829 - 392 Seiten
...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 as a tell...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,...
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Gill's technological [afterw.] Gill's scientific, technological ..., Band 4

Gill's scientific, technological and microscopic repository - 1829 - 416 Seiten
...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...
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The London Magazine

1829 - 832 Seiten
...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...
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Gleanings in Science, Band 1

1829 - 424 Seiten
...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 as a tell-tale, the compass-box is made with a glass bottom, so that the card can be seen as perfectly in...
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Arcana of Science and Art: Or, An Annual Register of Useful Inventions and ...

1830 - 318 Seiten
...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 as a tell-tale, the compass-box is made with a glass bottom, so that the card can be seen as perfectly in...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1835 - 908 Seiten
...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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