This impressive Hannyngton Astronomical Slide Rule will be of interest to collectors when it slides into our New Years Day auction on January 1st 2016.
Hannyngton (Astronomical) Slide Rule
Made in England, Mfg by Aston-Mander
Size: 32 inchesa x 7.5 inches x 3/4 inch
Designed by Major-General John Caufield Hannyngton and is used in astronomical computations.
Fellow of the Institute of Actuaries.
(source: Slide Rule Museum –Â http://sliderulemuseum.com/Rarities.htm)
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