Scott's Photographica Collection

Otis King's Calculator


This Otis King calculator, often called a cylindrical slide rule was marketed by Carbic Ltd. of London, England.  It has scales 429 and 430, the serial number is Y0808, and it comes complete with its original box, 8 page instruction manual and leather case.  All items are in very good or better condition.

Otis King's Calculator

Otis King's Calculator shown extended

Calculator with Instructions, Box and Leather Case

Collapsed calculator with instructions, box and leather case

End of Calculator

End of calculator, showing serial number

This item was offered for trade.  It is no longer available.


Home Page A navigation frame with links to other pages on this site should appear on the left of this page.  If  it is not there, click HOME to make it appear.