vintage 1930s wood slide rule Lawrence Engineering Service
![photo of vintage 1930s wood slide rule Lawrence Engineering Service #1](https://laurelleaffarm.com/product-photos/vintage-1930s-wood-slide-rule-Lawrence-Engineering-Service-Laurel-Leaf-Farm-item-no-b84522-1.jpg)
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Old 1930s vintage wood slide marked Lawrence Engineering Service - Wabash, Ind. It measures about 8" long and is a little stiff.
- sku: #b84522
- status: sold out