Thousands of images, texts, and audio/video from ECU's diverse collections and beyond.

Vertical Illuminator

Identifier: LL02.48.06.07
Opaque objects could be illuminated with a bullseye lens or Lieberkuhn reflector for objectives with longer focal lengths. The vertical illuminator allows lighting through the objective and is the predecessor of epi illuminators. The vertical illuminator was manufactured during the early 20th Century. The serial number is 2008. more...