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Howl Call Telephones
Pan Gulf Products supply telephone in areas where this is normally not possible, where you need a sound-powered telephone system. Operation without external power supply and complex equipment, sound-powered telephony is ideal for communications whenever there is no power supply available, e.g. at blast furnaces, in tunnelling or mining, or off shore on oil rigs or high-sea steamers, and provides a direct connection to the switchboard, base, bridge or colleagues on the surface.
This surprisingly easy, but effective method is already used widely to call for material, report faults or save lives.
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