K and E slide rule featuring a long rectangular calculating format with multiple graduated scales, sliding center section, metal framed cursor, and an orange leather storage case.

• K and E marking on slide rule
• Multiple printed mathematical scales
• Sliding center scale construction
• Metal framed movable cursor
• Orange leather fitted storage case
• Case features metal hardware and flap closure

This calculating instrument combines detailed mathematical scales with a fitted leather carrying case for protected storage.

This item is sold as-is and is not covered by warranties or guarantees.

See photos for details.