WebOtis King's Patent Calculator Model L Z0169, circa 1921. Cylindrical Slide Rule with Helical Scales 429 and 430. What at first appears to be a modest spyscope is in fact a … WebThe device was known as the OTIS KING calculator, accurate to at least three places after the decimal. To multiply 2 by 4, the lower cursor is positioned on the 2. The top spiral is …
Otis king calculator model l Math Problems
WebA calculator in the cylindrical design called the Otis King and made by Carbic Ltd. In really excellent condition and comes complete with original box (a little worn) and instructions … WebThis is a copy of the Otis King's outline drawings of the calculator showing correct setting of arrows to scales and differntiates between the model K and the model L. It gives the … gainsborough 653083
Otis King - Wikipedia
WebThe product was named Otis King's Patent Calculator, and was manufactured and sold by Carbic Ltd. in London from about 1922 to about 1972. With a log-scale decade length of … WebOtis King Model L. Distinctive features: Cylindrical slide rule. Technical details: Although described as a calculator ... With a log-scale decade length of 66 inches, the Otis King calculator should be about a full digit more accurate than a 6-inch pocket slide rule. WebUne calculatrice Otis King modèle "K", dans sa boîte d'origine (numéro de série B3293). Cet appareil était utilisé avant les calculatrices numériques afin d'effectuer une série de manipulations numériques. Ils ont été fabriqués et vendus entre 1922 et jusque dans les années 1970 par Carbic Ltd, Londres. Il s'agit d'un black bamboo seed germination