From W Heffer and Sons Ltd (Cambridge); say they are willing to give a quotation for special punches similar to those made for Cambridge Mathematical Laboratory, but will need details of the number required and size of hole.
Letters
This material is held atUniversity of Manchester Library
- Reference
- GB 133 TUR/Add/40
- Dates of Creation
- 1 Oct & 3 Nov 1951
- Physical Description
- 2 items