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

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

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