Planimeter
1930
- Title
- Planimeter
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-GH-008
- Dates
- 1930
- Extents
- 1 photographs
- Abstract
- Keuffel & Esser planimeter for determining areas and volumes for excavation or fill. Labeled “Planimenter No. 1, Dept. of Civil Engineering (Room 213 Thomas Lab.)”