Vintage Lawrence Deluxe Slide Rule with original sleeve case, proudly made in the USA. This classic engineering tool was produced by Lawrence Engineering Service of Peru, Indiana, and is a great example of mid-20th century calculating instruments used before digital calculators became standard.

The slide rule features multiple precision scales for mathematical, engineering, and scientific calculations, along with a clean, easy-to-read layout. The reverse side includes detailed reference tables and conversion charts, making it both functional and collectible. The original case adds to its vintage appeal and helps protect the instrument.

Condition is pre-owned with light wear from age and use, including minor scuffs and discoloration on the case and rule. All markings remain legible, and the slide moves smoothly. Please review photos for exact condition.

Features:

• Lawrence Deluxe slide rule

• Made in USA (Peru, Indiana)

• Multiple calculation scales for engineering/math use

• Reference tables on reverse side

• Includes original protective sleeve case

• Approx. 10 inches long

Perfect for collectors of vintage scientific instruments, engineers, students, or anyone interested in retro technology and tools.

Carefully packaged and shipped promptly.