F.231 Data Sheet MJS-p-0239

Kolesch, 2713 Stadia, 1905-1911

Serial Number or Date Stamp:

Country: GER Primary construction material: wd Case included?: yes

General Description: Specialty linear stadia slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: in /| L D [ VH V C ] D A || K

Back Scales: S ST T

Notes: stadia rule, 360deg, D.R.Patent No. 173660, likely made by Nestler; advertised in 1907 How to use Slide Rules; suede leather case; owner Everett Gowty, Perry, OK

References: http://public.beuth-hochschule.de/~hamann/sliderules/koles.html

Date Acquired: 01/22/2022