Stanley Complex Number Slide Rule

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Country of manufacture: England,            Date of manufacture: c. 1960,      Serial No.: 63137
Overall length (closed, incl. handle): 44 cm,          Diameter (outer cyl): 8.1 cm., (inner cyl.) 7.0 cm.
Materials: Bakelite, brass, plastic, and mahogany
Cursors: Logarithmically divided scales of modulus. Corsor B engraved 0.8 to 11; Cursor C engraved 1 to 100.
Outer Cylinder: Argand Diagram
Inner Cylinder: blank
Condition: C3 (Signs of Very Minimal Use)
Came with: Original mahagony wooden box, manual
Notes: Allows multiplicaion and division of complex numbers expressed in either polar or rectangular form.

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