Nice Vintage Standard Measures & Metric Converter Wooden Rulers Slide Rules

Description

Nice Vintage Standard Measures & Metric Converter Wooden Rulers Slide Rules. Condition is used. There are three rulers
2 rulers are three sided and are wood and one ruler is a math ruler made of plastic. Then there is The Standard Measures And metric converter. Also there is a booklet on how to use the basic Slide Rules. All seem to be in good condition. Please check out the pictures for they are part of the description.
Thank You!