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The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".This photographic reproduction is therefore also considered to be in the public domain in the United States.
The company of Miller and Sons, based at 179 Picadilly was founded prior to 1835, [2] possibly in the 1820s as a successor to F Glossop. George Alexander Miller who was involved in the business was awarded patent 6551 in 1834 for an improved arrangement of wicks in an Argand lamp . [ 3 ]
Download as PDF; Printable version; ... Oil lamp (17 P) S. ... Signalling lights (1 C, 7 P) Pages in category "Types of lamp" The following 97 pages are in this ...
Byzantine oil lamp: The upper parts and their handles are covered with braided patterns. All are made of a dark orange-red clay. A rounded bottom with a distinct X or cross appears inside the circled base. [17] Early Islamic oil lamp: Large knob handle and the channel above the nozzle are the dominant elements of these.
Download as PDF; Printable version; In other projects ... Pages in category "Oil lamp" The following 17 pages are in this category, out of 17 total. ...
A moderator lamp provides a pressurized supply of oil to the lamp wick by use of a spiral spring-loaded piston operating on a cylindrical oil reservoir. A regulating mechanism, the "moderator", compensates for the varying force of the spring as the piston descends. The moderator is a wire that runs through a tube in the center of the piston.
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Parts books were often issued as microfiche, though this has fallen out of favour. Now, many manufacturers offer this information digitally in an electronic parts catalogue. This can be locally installed software, or a centrally hosted web application. Usually, an electronic parts catalogue enables the user to virtually disassemble the product ...