Device for producing builder's rules, with correspondence indicated between spatial length units and musical frequencies (or wavelengths)

摘要

The invention relates to the displaying, on rulers, of musical wavelengths set in correspondence with measurement units. The corresponding frequencies were obtained from the number 1, simple ratios, and the golden number. The device consists in displaying on rules, facing the normal centimetre scale, the name of the note, its wavelength, its ratio with the reference unit, and, optionally, the name of the measurement unit. Example: Figure 1, the following are written on the rule: at B', "hand" at J, 8.325 cm, at G, Do@ and at C, 1/4. Frequency of Do@: 4.096 Herz (Pythagorean Do). The device of the invention is intended for any person arranging objects in space. <IMAGE>