Circus, Sideshow & Oddities
Wed, Oct 23, 2019 02:30AM EDT
Lot 463
Solomon Stone?s Marvelous Mental Calculator.
Estimate: $300 - $500
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $5 |
| $30 | $10 |
| $100 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $200 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $20,000 | $2,000 |
| $50,000 | $5,000 |
| $100,000 | $10,000 |
Stone, Solomon. Solomon Stone?s Marvelous Mental Calculator. New York: Popular Pub. Co., ca. 1880s. Hand-colored pictorial wraps. 12mo. [15]pp. Chipping to wrapper, edges thumbed. Scarce pitchbook explains how to make rapid mathematical calculations, the squares and cube roots of numbers, and quick addition and multiplication even of large sums. Uncommon.
