- Subject
- Calculation
- Item type
- Object
- Makers
- Blundell Omega
- Provenance
- Presented by Dr Chris Girton in 1999. Used by the donor's father.
- Primary inscriptions
- "BLUNDELL [Omega sign] 409 MERCANTILE"
- Object type
- Slide rule
- Dimensions
- Height: 18mm Width: 323mm Depth: 63mm Weight: 272g
- Inventory No
- 18902
- Accession Number
- 1999-11
Description
Plastic slide rule in a blue slip case, manufactured by Blundell Omega. One sliding rule, and one sliding needle to take readings. Blue case separates in half to reveal mercantile slide rule held inside. Model no. 409, patent no. 644944.
