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As expected, every headlamp on our list grew progressively dimmer during our half-hour test. Two of our top picks—the BioLite HeadLamp 750 and Coast XPH30R —had the largest swings, due to ...
Under ECE Regulation 37, which governs automotive filament lamps in most of the world, the H1 lamp's nominal rating is 55 W at 12 V, and its test rating is 68 W (maximum) and 1550 ± 15% lumens at 13.2 V. R37 also contains provisions for 6 V, 55 W and 24 V, 70 W H1 lamps. [1]
Download as PDF; Printable version; In other projects ... This is a list of the world's largest law firms based on the AmLaw Global 200 Rankings. [1] Firms marked ...
The first dual-filament halogen bulb to produce both a low and a high beam, the H4 (60/55 W @ 12 V, 1650/1000 lm ±15% @ 13.2 V), [94] was released in 1971 [13] and quickly became the predominant headlamp bulb throughout the world except in the United States, where the H4 is still not legal for automotive use.
Fortune on Tuesday named billionaire tech mogul Elon Musk as the most powerful person in business of 2024. Musk topped the outlet’s list of the 100 most powerful people in business, followed by ...
The list of countries by price level shows countries by their price level index. The data has been collected by the World Bank's International Comparison Program since the 1970s and has been available for almost all World Bank member states and some other territories since 1990. The Global price level, as reported by the World Bank, is a way to ...
The following lists are of countries by military spending as a share of GDP—more specifically, a list of the 15 countries with the highest share in recent years. The first list uses the Stockholm International Peace Research Institute as a source, while the second list gets its data from the International Institute for Strategic Studies.
A headlamp, headlight, or head torch is a light source affixed to the head typically for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, camping, mountaineering or mountain biking.