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Fowler's Circular Slide Rule Calculator Type ‘Long Scale’.
Fowler & Co. in Manchester made this pocket calculator during the...
SOLD
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Fuller's Spiral Slide Rule Calculator By W.F. Stanley....
This bakelite and brass Fuller's cylindrical slide rule with serial...
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Mechanical Pinwheel ‘Original Odhner’ Calculator Made...
Willgodt T. Odhner invented the pinwheel calculating machines in...
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BriCal Money Calculating Machine.
This is a circular brass calculator which was Patented by H and...
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Polar Planimeter: a Mechanical Analog Computer By J. Halden.
The Planimeter is the first instrument used for measuring area...
SOLD
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Curta Type II Mechanical Calculator.
This Type II model with serial number 534960 was manufactured...
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Cylindrical Slide Rule Calculator By Loga, Switzerland.
The Loga Company made this slide rule in Switzerland probably during...
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Fowler "Jubilee Magnum" Extra Long Scale Calculator.
This is a circular slide rule made in 1948. The entire scale disk...
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Early Curta Type II Mechanical Calculator In Metal Case.
This black Type II model with serial number 501613 was manufactured...
SOLD
Development: Epoch | Design: Luch
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