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From November 2008, no non-compliant lighting (including some incandescent globes) were imported into Australia, and from November 2009, the retail sale of non-compliant lighting was banned. [109] It was proposed [ 110 ] that all regular light bulbs and some other kinds of light bulbs sold from October 2009 would have to meet the new minimum ...
In the 1980s, after watching a salvage operation, Bob Rosenzweig started the reproduction and selling of his faux-antique bulbs. [9] These vintage-style light bulb reproductions were sold mostly to collectors and prop houses, and continued until the turn of the 21st century when new regulations banned low-efficiency lighting in many countries.
A 50-hour-life projection bulb, for instance, is designed to operate only 50 °C (122 °F) below that melting point. Such a lamp may achieve up to 22 lumens per watt, compared with 17.5 for a 750-hour general service lamp. [76] Lamps of the same power rating but designed for different voltages have different luminous efficacy.
Centennial Bulb in fire station 6. Several reasons have been cited for the bulb's extensive lifespan. Its continuous operation has largely eliminated the stresses associated with turning a light bulb on and off, the act of which causes the temperature of the bulb to increase and decrease.
Today, torchère lamps use fluorescent, halogen, or LED light bulbs. Adjusting the pulse-width modulation in the electronic ballast can allow the fluorescent torchères to be dimmed. Halogen torchères usually came with a simple switch. Some more expensive models have a TRIAC dimmer circuit built into the stem. Early lamps with 300W bulbs ...
Seal oil lamps. The Inuit oil lamps were made mainly of soapstone, but there are also some made of a special kind of pottery. [12] Sizes and shapes of lamps could be different, but most were either elliptical or half-moon shaped. [13] The taqquti or wick trimmers, also known as lamp feeders, were made of wood, willow, soapstone, bone or ivory. [14]
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