‘Produx’ Pocket calculator for simple calculations.
| Item# |
sci446 |
| Status |
Available |
| Price |
$65.00 |
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‘Produx’ Pocket calculator made in West Germany. This is the Model 1 calculator for adding, subtracting, multiplying, and dividing numbers. Made of Tin metal and inserted in leather like case. Including... [more info]
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Handy Counter Guide for Knitting and Crochet.
| Item# |
sci447 |
| Status |
Available |
| Price |
$40.00 |
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The British ‘MP’ Handy Counter Guide for Knitting and Crochet. This is a vintage counter guide, made in England from red brass. The counter was made with 5 sliding cursors to mark rows and times for loops... [more info]
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A Japanese Abacus, with 5 beads in 15 rows
| Item# |
sci448 |
| Status |
Available |
| Price |
$20.00 |
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A Japanese Abacus, with 5 beads in 15 rows. Abacus comes from the Greek word 'abax' which means calculating board or calculating table. Japanese Abacus is characterized by having diamond shaped beads,... [more info]
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Otis King Cylindrical Logaritmic Slide Rule Model 'L'.
| Item# |
sci215 |
| Status |
Available |
| Price |
$155.00 |
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This is a logarithmic cylindrical pocket slide rule with helical scales to add subtract multiply and divide numbers, made in England by Carbic ltd., London in the early 1960s. The model L has a linear... [more info]
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UNIQUE Slide Rule, Model Universal I, With Case.
| Item# |
sci430 |
| Status |
SOLD |
| Price |
SOLD |
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This is a 10-inch slide rule made of mahogany wood and paper covered plastic with nine scales. The scales are: A, B, C, and D, Log-Log, Reciprocal, Sin and Tangent. On the back are tables for Decimal Equivalent... [more info]
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1918 Fuller's Spiral Slide Rule Calculator By W.F. Stanley.
| Item# |
sci225 |
| Status |
SOLD |
| Price |
SOLD |
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1918 Fuller's Spiral Slide Rule Calculator By W.F. Stanley. This Mahogany and brass Fuller's spiral slide rule with serial number 4046/18 was made and signed by ‘W.F. Stanley Great Turnstile, London, England’,... [more info]
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Mechanical Pinwheel ‘Original Odhner’ Calculator.
| Item# |
sci300 |
| Status |
SOLD |
| Price |
SOLD |
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Mechanical Pinwheel ‘Original Odhner’ Calculator Made in Sweden. Willgodt T. Odhner invented the pinwheel calculating machines in 1874. This is a model 7 machine that was made in Goteborg Sweden with serial... [more info]
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Curta Type II Mechanical Calculator.
| Item# |
sci232 |
| Status |
SOLD |
| Price |
SOLD |
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Curta Type II Mechanical Calculator. This Type II model with serial number 534960 was manufactured on April 1963 and was made in Liechtenstein by Contina Ltd. (invented by Curt Herzstark). All of the mechanical... [more info]
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