Crystal Palace International Electric Exhibition 1881-82
År: 1882
Sider: 102
UDK: 621.30 : 06 (064)
DOI: 10.48563/dtu-0000189
Official Catalogue, Edited by W. Grist with Specially Prepared Plans, showing the position of each exhibitor and indicating the spaces lighted by the various sytems.
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27
[17.] Box, junction, for one multiple 7-cored cable and seven
single cables to mines.
[18.] Box, junction, for one single cable and eight single
cables to mines, each cable being disconnected automatically in
the junction-box when the mine upon that cable is fired. Used
with mines Nos. 1, 2, 3, 4.
[19.] Another pattern for a group of four electro-contact
mines.
[20.] Box, connecting, for connecting the ends of multiple
cables; to avoid splicing.
[21.] Ditto, for single cables.
[23.] Ditto, for shore-end cables.
[24.] Ditto, for connecting mines successively to a single
cable. {See No. 35.)
[25, 26.] Apparatus, circuit-closing, for mines Nos. 1, 2, 3, 4.
[27, 28.] Ditto, for the circuit-closing buoys Nos. 5, 6.
[29, 30.] Apparatus containing the dry primers and detonators
for mines Nos. 7, 8, 9, 10, 11.
[31.] Specimens of Cables employed.
[32.] Specimens of Detonators and Fuzes.
[33.] Wire-rope, steel, for mooring purposes.
[34.] Signalling flags.
[35.] Disconnector, single, containing a disconnecting fuze,
used with. No. 24.
[36.]
INSTRUMENTS USED ON SHORE.
[37.] Arc firing for one line of mines.
[38.] Ditto, for several mines.
These arcs are used for firing mines by observation from
shore.