K&E 4094 Merchant's Slide Rule

Country of manufacture: USA,            Date of manufacture: ____,            Ser. No.: 082118
Overall length: 27.8 cm,          Width: 3.5 cm,           Weight: 65.4 gms
Materials: Simplex form, closed body; celluloid laminate over mahogany, adjustable
Cursor: 2.5 X 3.8 X 0.6 cms; plastic runners holding metal framed glass lens, adjustable; lines = single line
Scales: 7
Front: 10 in // DF [ CF, CI, C ] D \\ 25 cm
Gauge Marks: [      ]
Back: Conversion factors
Slide Back & Well: blank
Condition: C7 (small crack in celluloid laminate on right end of 'D' scale; no separation)
Came with: Original box, leather case, instruction manual