BRL Blakeborough Valve Sizing Slide Rule
Country of manufacture: England, Date of manufacture: ____
Overall length: 27.0 cm, Width: 4.6 cm, Weight: 60.0 gms
Materials: All plastic (PVC)
Cursor: no cursor this model
Scales: specialized
Front:
Back:
Gauge Marks: [ ]
Condition: C2 (Mint but no case or manual)
Came with: Nothing
