1592953419000 1312632483000 term-49988 1616541061552 1312632543000 1616290197833 adlib fitz-online adlib-term-49988 29af49ff-d333-3255-993d-7e3bb4f4e9e2 2 1 scope note Incandescent lamps having a constant but not necessarily known luminous intensity against which other lamps are successively compared in a photometer. W reference term-49987 adlib-term-49987 23dbfd95-18cb-3202-96ce-1d2f38410193 comparison lamp V.PJ.AFU.ALO.AXC.AXC.FUA.ALO.AFU 1 code V.PJ.AFU.ALO.AXC.AXC.FUA.ALO.AFU 1 comparison lamps reference term-49992 adlib-term-49992 909ace5e-c93c-331a-a0d7-8d8b2d205060 <lamps (components) by function> comparison lamps term