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  2. Centennial Light - Wikipedia

    en.wikipedia.org/wiki/Centennial_Light

    The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...

  3. Sprengel pump - Wikipedia

    en.wikipedia.org/wiki/Sprengel_pump

    A pump of this type is capable of producing high vacuum in which the pressure is 1 mPa. [1] The Sprengel pump is a vacuum pump that uses drops of mercury falling through a small-bore capillary tube to trap air from the system to be evacuated. [Note 1] It was invented by Hanover-born chemist Hermann Sprengel in 1865 while he was working in ...

  4. Bi-pin lamp base - Wikipedia

    en.wikipedia.org/wiki/Bi-pin_lamp_base

    The suffix after the G indicates the pin spread; the G dates to the use of Glass for the original bulbs. GU usually also indicates that the lamp provides a mechanism for physical support by the luminaire: in some cases, each pin has a short section of larger diameter at the end (sometimes described as a "peg" rather than a "pin" [2]); the socket allows the bulb to lock into place by twisting ...

  5. Phase-out of incandescent light bulbs - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_incandescent...

    The Canadian federal government banned the import and sale of 75- and 100-watt incandescent bulbs, effective 1 January 2014. On 1 January 2015, 40- and 60-watt bulbs were also banned, although there are exceptions for oven lights, decorative lamps (light bulbs), appliance bulbs, 3-way fixtures, chandeliers and rough service/utility bulbs. [86]

  6. Orders of magnitude (power) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(power)

    tech: the power consumption of a typical Light-emitting diode (LED) light bulb 8 tech: human-powered equipment using a hand crank. [14] 10 1: deca-(daW) 1.4 × 10 1: tech: the power consumption of a typical household compact fluorescent light bulb: 2–4 × 10 1: biomed: approximate power consumption of the human brain [15] 3–4 × 10 1

  7. Mercury-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Mercury-vapor_lamp

    A 175-watt mercury-vapor light approximately 15 seconds after starting.A closeup of a 175-W mercury-vapor lamp.The small diagonal cylinder at the bottom of the arc tube is a resistor which supplies current to the starter electrode.

  8. GM-94 - Wikipedia

    en.wikipedia.org/wiki/GM-94

    In October 2007, the Russian armed forces adopted the launcher designated as LPO-97 (Legkiy Pekhotnyy Ognemet; Легкий Пехотный Огнемет; ‘light infantry flamethrower’) [3] developed in the KBP Instrument Design Bureau on the basis of the GM-94 with a thermobaric grenade, [3] [7] in 2008 GM-94 was adopted for the branches ...

  9. Solar Saros 154 - Wikipedia

    en.wikipedia.org/wiki/Solar_Saros_154

    Saros cycle series 154 for solar eclipses occurs at the Moon's descending node, repeating every 18 years, 11 days, containing 71 eclipses, 56 of which will be umbral (17 annular, 3 hybrid, 36 total). The first eclipse in the series was on 19 July 1917 and the last eclipse will be on 25 August 3179.