. Journal of electricity, power, and gas . brass guard. Thebattle, deck and signal lanterns are almost identical,except for the battle lantern shutter, which is capableof shutting off all light. The deck lights arc withoutshutters and the signal lanterns are the same exceptingthat the lenses are red, white, or green. The cargoreflectors are a special type of lamp cluster with a. Bunker Fixture protected reflector, and the non-water-tight and water-tight portables are of a special type adopted by theU. S. Navy, and are used throughout the ship. Theinstrument lights are contained within the inst
. Journal of electricity, power, and gas . brass guard. Thebattle, deck and signal lanterns are almost identical,except for the battle lantern shutter, which is capableof shutting off all light. The deck lights arc withoutshutters and the signal lanterns are the same exceptingthat the lenses are red, white, or green. The cargoreflectors are a special type of lamp cluster with a. Bunker Fixture protected reflector, and the non-water-tight and water-tight portables are of a special type adopted by theU. S. Navy, and are used throughout the ship. Theinstrument lights are contained within the instrumentwhich they illuminate, such as the binnacle, pelorus,etc. Interior Communication interior communication system embodies allmeans of transmission of signals and messages andconsist of the following systems: 1. Mechanical gongs. 2. Mechanical engine telegraphs. 3. Voice tubes. 4. Electric call bells, push buttons and annun- ciators. 5. Telephones. 6. Iire alarms. 7. Warning signals. 8. General alarm gongs. 9. Electric engine Steering telegraphs. ri. Engine revolution and direction indicators. 12. Helm angle indicators. 13. Automatic electric steam whistle operator. 14. Electric log. 15. Battle order, range order and powder division instruments. 16. Long arm water-tight door indicators. I. The mechanical gongs are used where a hm-ited number
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Keywords: ., bookcentury1800, bookdecade1890, bookidjo, booksubjectelectricity
