Stanliand Pipeline Slide Rule

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Country of manufacture: USA,            Date of manufacture: >= 1943
Overall length: 27.1 cm,          Width: 2.8 cm,           Weight: 44.5 gms
Materials: printed paper scales pasted on wooden rule, closed form simplex type
Cursor: 2.5 X 3.7 X 0.5 cms; plastic runners with metal frame holding plastic lens; lines = one on front only
Scales: 13
Front: H, P [ °API/Viscosity Saybolt, Miles, I.D.c, I.D.b. I.D.a ] Bb, Bd
Back of Slide:Sp. Gr./°API, FrictionLoss Lbs/Mi, Viscosity-Seconds-Saybolt-Universal, Nominal Pipe Size
Back: Viscosity conversion table, Specific gravity/Degrees API conversion table
Gauge Marks: [      ]
Condition: C5 (Normal signs of use)
Came with: Brown faux leather slipcase
Note: This rule appears to have originally been either a Lawrence or older K&E wooden body model to which printed paper scales have been affixed. The K&E cursor on this rule may have been original or a later addition. The dimensions of this rule do not mirror those specified as definitive for Lawrence rules.

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