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In 1919, Tilley High-Pressure Gas Company started using kerosene as a fuel for lamps. [13] In the 1920s, Tilley company got a contract to supply lamps to railways, and made domestic lamps. [12] During World War II, Armed Forces purchased quantities of lamps, thus many sailors, soldiers and airmen used a Tilley Lamp. [12]
In 1925 they started making lamp and lantern parts for the Tilley company, a relationship which lasted until 1938 when Willis & Bates began manufacturing and selling lanterns on their own. The Vapalux pressure lamp bears a close resemblance with the Tilley lamp , in the way the burner works and how the mantle is attached.
The Petromax lamp was created in 1910 in Germany by Max Graetz (1851–1937), who also named the brand, on the basis of a spirit lamp that was already well-known. Graetz was president of the firm Ehrich & Graetz in Berlin, which developed the lamp, and also the primary designer. On April 9th, 1921 the company applied for a German patent ...
The Bardic Rail Signalling Lamp was the original name of a particular type of battery powered railway signalling handlamp made from 1962 by Bardic, Ltd. [1] for use by rail and trackside workers. It became the standard battery operated handlamp in use on British Rail , replacing oil-lit lamps.
Gas mantle in a street lamp (cold) Mantles in their unused flat-packed form. To produce a mantle, cotton is woven or knit into a net bag, impregnated with soluble nitrates of the chosen metals, and then transported to its destination. The user installs the mantle and then burns it to remove the cotton bag and convert the metal nitrates to ...
Flat-wick lamps have the lowest light output, center-draft round-wick lamps have 3–4 times the output of flat-wick lamps, and pressurized lamps have higher output yet; the range is from 8 to 100 lumens. A kerosene lamp producing 37 lumens for 4 hours per day for a month (120 hours) consumes about 3 litres (6.3 US pt; 5.3 imp pt) of kerosene.
The No. 1 stove weighs about 2.5 pounds (1.1 kg), and measures about 8.5 inches (220 mm) high with an overall diameter of just under 7 inches (180 mm). The tank, about 3.5 inches (90 mm) high, holds a little over 2 imperial pints (1.1 L) of kerosene and will burn for about four hours on a full tank. [10]
A balanced-arm lamp has a base, a stand or body, (in most cases) two connected arms (in many cases fitted with springs), and a lamp-head. The lamp can be moved into almost any position, and the balancing device will maintain the position until moved again. The same overall mechanism can be employed in other devices with similar requirements ...
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