Otis King Logarithmic Calculator Model 'L'.
| Item# |
sci336 |
| Status |
SOLD |
| Price |
SOLD |
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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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Fuller's Spiral Slide Rule Calculator By W.F. Stanley.
| Item# |
sci340 |
| Status |
SOLD |
| Price |
SOLD |
|
This bakelite and brass Fuller's cylindrical slide rule with serial number 12372-59 was made and by ‘W.F. Stanley, London, England’, and consists of 3 hollow cylinders: The middle (axis) cylinder is fixed... [more info]
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Otis King Slide Rule Calculator
| Item# |
sci332 |
| Status |
SOLD |
| Price |
SOLD |
|
Otis King slide rule calculator model 'K'. This is a cylindrical pocket slide rule with helical scales 66 inch long to add subtract multiply and divide numbers, made in England by Carbic ltd., London in... [more info]
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Halden Calculex Circular Slide Rule.
| Item# |
sci337 |
| Status |
SOLD |
| Price |
SOLD |
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This is a double sided rule made of German silver and glass by the J. Halden Co. Ltd. of Manchester. It comes with a booklet of instructions which tells us that: 'The Halden Calculex is a slide rule made... [more info]
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Otis King Cylindrical Slide Rule Calculator Model 'K'
| Item# |
sci390 |
| Status |
SOLD |
| Price |
SOLD |
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This is a cylindrical pocket slide rule with helical scales 66 inch long to add subtract multiply and divide numbers, made in England by Carbic ltd., London in the 1960s. The model K has spiral logarithmic... [more info]
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Amsler Planimeter by Elliott Bros. London.
| Item# |
sci396 |
| Status |
SOLD |
| Price |
SOLD |
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This gold plated brass Planimeter is an early Amsler type integrating machine that was made in England to calculate the area of closed irregular shapes. The Planimeter contains a pole arm with detachable... [more info]
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Otis King Cylindrical Logarithmic Slide Rule Model 'L'
| Item# |
sci393 |
| Status |
SOLD |
| Price |
SOLD |
|
Otis King Logarithmic Calculator Model 'L'. 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... [more info]
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Faber Castell 1/98 Elektro Slide Rule.
| Item# |
sci309 |
| Status |
SOLD |
| Price |
SOLD |
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This is a Faber-Castell 10 inch slide rule from the 1960’s. Made of wood laminated with plastic with a Perspex wrap-around cursor with 5 hairlines. The scales on the front of the ruler are: LL2, A (kw)... [more info]
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