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Halaman 98
... designed to use the regular 750 or 1000 watt mazda C multiple lamp . One notable feature is the " spill shield " shown in Fig . 3 , designed for fence lighting where it is desirable to have one side of the fence in darkness while on the ...
... designed to use the regular 750 or 1000 watt mazda C multiple lamp . One notable feature is the " spill shield " shown in Fig . 3 , designed for fence lighting where it is desirable to have one side of the fence in darkness while on the ...
Halaman 125
... designed for the same purpose , but hav- ing a mirror reflector which gives increased efficiency and greater permanence . The lens nitrogen spot light shown in Fig . 28 has decided advantages over the arc spot light , especially for ...
... designed for the same purpose , but hav- ing a mirror reflector which gives increased efficiency and greater permanence . The lens nitrogen spot light shown in Fig . 28 has decided advantages over the arc spot light , especially for ...
Halaman 145
... designed for a certain lamp which places the filament in an exact location with respect to the reflecting sur- face . When a reflector is used with a lamp for which it was not designed , the distribution is distorted and the intensity ...
... designed for a certain lamp which places the filament in an exact location with respect to the reflecting sur- face . When a reflector is used with a lamp for which it was not designed , the distribution is distorted and the intensity ...
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FIRST SESSIONTUESDAY MAY 20 1919 | 1 |
5Report of Committee on Commercial Service | 12 |
CEWING | 22 |
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