Soviet logarithmic Multi Ruler, Slide Rule Made in USSR

Soviet LOGARITHMIC RULER ten-inch (25cm) SLIDE RULE sliding USSR 1976 slipstick

Vintage Pickett Student Slide Rule w/Case and Instructions, Apollo Edition

Vintage 1986 year Soviet Slide Ruler Logarithmic USSR in Original Case

Vintage SUN HEMMI Bamboo Slide Rule No.259 Made in Japan

Soviet LOGARITHMIC RULER ten-inch (25cm) SLIDE RULE sliding USSR 1966 slipstick

logarithmic slide rule USSR in original case 1976Ukraine Original Vintage Soviet

Original Soviet Logarithmic Ruler Slide Rule Vintage USSR Calculator with Case