- TitleRobert Johnson, Bert McKenna, and Frederick O'Callaghan with Zeiss Projector parts
- ReferenceAPHP.S10.F3.10
- Physical Descrip.One 8 x 10 inch black and white print
- SubjectsZeiss projector, Adler Planetarium & Astronomy Museum -- Staff, Adler Planetarium & Astronomy Museum -- Sky Theater, Chicago (Ill.) Pictorial works -- Skyline
- Geographic Access PointChicago (Ill.)
- Name as Subject(s)Frederick O'Callaghan, Robert I. Johnson, Bert C. McKenna
- Formatgraphic material
- Level of descriptionITEM
