Città del Vaticano, O, Cod. 3290 Century 16 Language Latin Material Chart. No. of columns 1 col. Printed catalogs John F. Daly, Charles J. Ermatinger, "Mathematics in the Codices Ottoboniani Latini", Manuscripta 9 (1965), 27 Source Daly, Ermatinger Type of source cat. Source’s source insp. Work 1Title (standard) Tractatus de modo mensurandi altitudines, latitudines ... Contents (212r) Altitudinem turris ex umbra metiri; (214r) Invenire planiciem aequalem altitudini turris per scalam altimetram in dorso astrolabii; (215r) Invenire altitudinem turris ad quam non possis accedere astrolabio vel quadrante; (216r) Metiri altitudinem turris baculo ad angulos rectos erecto; (219r) Metiri planiciem per quadratum; (220v) Metiri profunditatem putei vel alterius rei per astrolabium. | The work includes twenty-two propositions, each of which concerns the measurement of the height, breadth or depth of an object. Incipit Habet hic tractatus insignes quasdam et iucundas in geometria ac perspectiva praxes quas aliquot propositionibus absolvemus ... Folio no. 212r-221r Rubric Tractatus de modo mensurandi altitudines, latitudines, profunditates per varia instrumenta et praxes mathematicas. Explicit ... ad profunditatem putei incipiendo ab oculo tuo sive ad profunditatem illius cum altitudine quadrati.
