Mini pocket slide rule Sun Hemmi 30 logo sleeve 1960 Japan

High quality Pocket slide rule by Hemmi from Japan. This is the very small model 30 from the 1960’s in bamboo. These shirt pocket version was often used for commercial advertising. Here is “AB Hernia” (Swedish Company) imprinted on the original leather sleeve. Sun Hemmi 30 signed on the back an on the cursor (also “Japan”). Despite it’s small size it still has 8 scales and a centimeter scale. It measures only 12 cm or 4 3/4 inches long. The slide rule and the slider are in great condition, hardly any signs of use and age. Check the attached video on how to work your vintage man tool : slide rule operation instructions!