Pocket slide rule Sun Hemmi 74 logo sleeve 1960 Japan

High quality Pocket slide rule by Hemmi from Japan. This is the model 74 from the 1960’s in bamboo. These pocket version only seldom come in bamboo but this model was used often for commercial advertising. Here is “Y” logo printed in the original leather signed sleeve. Original Sun Hemmi 74 sticker on the back of the sleeve as well. It measures 15 cm or 6 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!