Volvelles
Esquema
Jerarquía
Furnishings and Equipment (Hierarchy Name) > Tools and Equipment > equipment > <equipment by process> > data processing equipment > calculators
Descripción
Any of various reckoning devices consisting of movable discs surmounted by or carrying other graduated or figured circles for calculating, for example, phases of the moon, the time of the rising or setting sun, or the times of the tides; usually made of paper, cardboard, or vellum and often found preprinted in or attached to manuscripts or books of the 13th to the 16th century.
URI original del concepto
Otros términos
- volvelle [en]
- volvelle [es]
- volvellae [en]
- volvells [en]