hide Matching Documents

The documents where this entity occurs most often are shown below. Click on a document to open it.

Document Max. Freq Min. Freq
Diodorus Siculus, Library 3 3 Browse Search
Strabo, Geography 3 3 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 2 2 Browse Search
Medford Historical Society Papers, Volume 26. 2 2 Browse Search
Medford Historical Society Papers, Volume 25. 1 1 Browse Search
Medford Historical Society Papers, Volume 28. 1 1 Browse Search
View all matching documents...

Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for 1923 AD or search for 1923 AD in all documents.

Your search returned 2 results in 1 document section:

for connecting tools or bars of different sizes. See well-boring tools. Sub-a′que-ous Hel′met. A diver's head-dress, supplied with air by pump from above. See Ar-mor, submarine, pages 155-157; diving-bell, pages 713-715; respirator, page 1923. Capstan stump-extractor. Screw stump-extractor. Sub-a′que-ous tube. A pipe or tunnel (according to size) laid beneath the water as an aqueduct or viaduct. James Watt's submerged aqueduct across the bed of the Clyde is an example. It armor, submarine. See also submarine blasting. Secured beneath the diver's arms are a pair of water-tight sacks, which may be inflated from the reservoir at his back when he desires to rise to the surface. See also respirator, Fig 4272, page 1923. Subma-rine′ Bat′ter-y. (Vessel.) A vessel capable of being submerged and maintained at a given depth below the surface of the water, and provided with means for penetrating the hull of an enemy's ship below the water line or of blowi