Mechanical Pocket Calculator
Accession Number : 2022.3.55
- Medium: Hardware
- Manufacturer: Produx
- Model: ST
- Year: 1945
- Accession Number: 2022.3.55
- notes: Manufactured in West Germany, date is an estimate based on that notation. In a promotional leatherette case with the name 'haverhill's', with instructional pamphlet.