Convention, Volume 39,Bagian 2;Volume 60 |
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Halaman 580
... illumination as the mean of the length and width of the room . For very bright illumination use the intensive reflector , placing the unit four to six feet above the plane of illumination . In rooms with very high ceilings such as small ...
... illumination as the mean of the length and width of the room . For very bright illumination use the intensive reflector , placing the unit four to six feet above the plane of illumination . In rooms with very high ceilings such as small ...
Halaman 667
... illumination for factories . and workshops or for any parts thereof or for any process car- ried on therein . " By adequate and suitable lighting is meant that ( 1 ) " it is sufficient for the proper carrying out of the work both as ...
... illumination for factories . and workshops or for any parts thereof or for any process car- ried on therein . " By adequate and suitable lighting is meant that ( 1 ) " it is sufficient for the proper carrying out of the work both as ...
Halaman 923
... illumination , but a system of general illumination should be used which utilizes a greater number of small units placed with reference to the work . In this way strong , shadowless illumination may be di- rected to the work , and at ...
... illumination , but a system of general illumination should be used which utilizes a greater number of small units placed with reference to the work . In this way strong , shadowless illumination may be di- rected to the work , and at ...
Isi
5Committees to Report to the Thirtyninth Con | 5 |
FIFTH COMMERCIAL SESSIONMAY | 25 |
Foreword | 52 |
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