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Otis King Cylindrical Slide Rule Calculator Model 'K'
Otis King Slide Rule Calculator Model 'K'. This is a cylindrical...
Price: $280.00
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The Correntator Calculating Machine.
A Simple Flat Stylus Adding Machine. This stylus slide adder was...
Price: $100.00
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Fowler Twelve-Ten Circular Calculator
Fowler & Co. in Manchester made this pocket calculator. It was...
Price: $250.00
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A Rare Circular Slide Rule Calculator by Palmer and Fuller....
This is a double-sided circular slide rule calculator consisting...
Price: $950.00
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Consett Iron Co Ltd Circular Weight Calculator by Fearns...
Consett Iron Co Ltd Weight Calculator for Steelwork. Double sided...
Price: $25.00
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Otis King Cylindrical Logaritmic Slide Rule Model 'L'.
This is a logarithmic cylindrical pocket slide rule with helical...
SOLD
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Japanese Abacus with 5 Beads in 15 Rows
A Japanese Abacus, with 5 beads in 15 rows. Abacus comes from the...
SOLD
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Fowler's Magnum Long Scale Calculator
Fowler & Co. in Manchester made this calculator during the 1930’s....
SOLD
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Almost New UNIQUE Log-Log Slide Rule With Instructions.
This 10 inch slide rule is almost new in its original box including...
SOLD
Development: Epoch | Design: Luch
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