Japanese Soroban Abacus Calculator Math Tool 1/5 Beads 27 Rows. Japanese Soroban Calculator or Abacus. 1/5 beads and 27 rows. Used for calculating. Brown colored rim.
eBay
These were removed from computers 20+ years old. For gold recovery.
eBay
Book is a first edition in excellent to like new condition. Spine is tight and square. No page creases or tears. No writing or markings in book. Dust jacket is nice with just a small edge tear at top front near spine.
eBay
EVERYTHING NEW.
eBay
Weight: 1400 g.
eBay
Japanese Soroban Abacus Calculator Tool. This soroban is made of wood with a dark brown color. It is in excellent working order. There is carved kanji on the back side. It is a mathematics calculating tool and is considered the first calculator in Japan.
eBay
Pinwheel design with manual crank operation. Great candidate for full restoration or display as-is. Feel free to reach out—we’re happy to assist! Classic rotary dials and slide levers. Due to its weight and collectible nature, it will be handled with extra care.
eBay