· application when the lamp is lighted and another at midnight will generally be found sufficient...

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Page 1:  · application when the lamp is lighted and another at midnight will generally be found sufficient to keep the glass clear during the night. 128. To clean reflectors, first dust
Page 2:  · application when the lamp is lighted and another at midnight will generally be found sufficient to keep the glass clear during the night. 128. To clean reflectors, first dust
Page 3:  · application when the lamp is lighted and another at midnight will generally be found sufficient to keep the glass clear during the night. 128. To clean reflectors, first dust