Zeichenapparat (drawing apparatus)
- Title
- Zeichenapparat (drawing apparatus)
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-BI-04
- Extents
- 1 photographs (negative)
- Abstract
- Used in conjunction with microscope to copy projected images. In wood box. Mfg. Carl Zeiss, Jena, Germany.