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Halaman 347
... reflector , care must be taken to protect the raw edge at the top from moisture , as corrosion once started will carry throughout the reflector , causing the porcelain enamel to scale off entirely . The fitting shown in Fig . 4 is ...
... reflector , care must be taken to protect the raw edge at the top from moisture , as corrosion once started will carry throughout the reflector , causing the porcelain enamel to scale off entirely . The fitting shown in Fig . 4 is ...
Halaman 386
... reflector , but impress on him the importance of using the proper sized lamp for which his reflector is designed . Figs . 12 to 16 show the necessity of observing this . If a 200 - watt lamp is replaced by a 60 - watt lamp , such a ...
... reflector , but impress on him the importance of using the proper sized lamp for which his reflector is designed . Figs . 12 to 16 show the necessity of observing this . If a 200 - watt lamp is replaced by a 60 - watt lamp , such a ...
Halaman 553
National Electric Light Association. Convention. MIRRORED GLASS REFLECTORS The mirrored reflector has the highest efficiency of all , and at the same time offers an easy surface to clean . Reflectors of this type are now furnished for ...
National Electric Light Association. Convention. MIRRORED GLASS REFLECTORS The mirrored reflector has the highest efficiency of all , and at the same time offers an easy surface to clean . Reflectors of this type are now furnished for ...
Isi
Report of the Commercial Section | 1 |
Report of Commercial Section Finance Committee | 12 |
Report of Committee on Compensation of Salesmen | 20 |
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