pH meter, Model M
1936
- Title
- pH meter, Model M
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-BE-22
- Dates
- 1936
- Extents
- 1 photographs
- Abstract
- Industrial model. Serial no. not shown. CIT Division of Chemistry inventory label #2260. Manufacturer: National Technical Laboratories. Very similar to ST-BE-03, but lacks lid and side door as well as hinges and latch. Wood case has been stripped.