Otis King Type K



Serial Number

Length 15-20 cm
Number of scales 2
Country of origin UK
Country of manufacturing UK
Year of manufacturing 1949
Status of the slide rule Normal signs of use
Material of the slide rule Metal
Type of cursor N.R.
Status of the box None
Status of the manual Very ragged
Collection number 2
Further comments

The Otis King is a marvel of English engineering: small, accurate and solid. The opposite of the lousy product quality of other UK products like the Unique slide rules. On the page of  Dick Lyon I could determine the age of this Otis, based on the serial number.


 Last updated: 04-09-2009