BRL P4843 Lummus Hydraulic Slide Rule

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Country of manufacture: England,            Date of manufacture: >= September, 1978
Overall length: 33.0 cm,          Width: 4.7 cm,           Weight: 80.3 gms
Materials: all plastic, plastic end braces glued-onto back of rule
Cursor: 3.5 X 5.0 X 1.1 cms; all plastic, slightly magnifying; lines = one each, on front and back
Scales:
Front:
Back:
Gauge Marks: [      ]
Condition: C4 (Minimal signs of use)
Came with: Orig. Brown leather sheath, info card

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