Sharks in the Fairy Bower

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Contributed by Simon added 2006-07-17

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Working with HMI lightsWorking with HMI lights

by Scuba Diver Australasia

HMI technology is not new. It evolved in the late 1960s when lamp developer Osram began producing HMI bulbs for the film industry at the request of German television seeking a less expensive alternative to incandescent lights. Ironically, HMI is now much more expensive than halogen and tungsten.
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