SUN HEMMI JAPAN REGOLO CALCOLATORE IN BAMBOO LAMINATO Originale anni '60
Il regolo calcolatore misura circa cm 29x3. Sul regolo e' scritto: "Dynamo Sun Hemmi Made in Japan"
SUN HEMMI JAPAN slide ruler in bamboo laminated Original 1960s
° The slide ruler measures approx cm 29 x 3.
° On the slide ruler is written "Dynamo Sun Hemmi Made in Japan"