The use of simple geometry and the local unit of measurement in the design of Italian stringed keyboard instruments:
an aid to attribution and to organological analysis
Grant O'Brien
Outline of this article - click on the chapter titles below in order to read this article:
A virginal by Franciscus Patavinus
A virginal made by Marcus Siculus in 1540
A harpsichord dated 1631 by Stefano Bolcioni
A virginal dated 1641 by Stefano Bolcioni
Further ways in which the unit of measurement was used in the design of a virginal or harpsichord
Limitations of the method and words of caution
Appendix 1 - Definitions of the Geometrical Functions
Tables of the Units of measurement used in the historical period in the Italian peninsula:
Italian_Metrology c.1500 - 1800