Logarithmic slide rule. This adjustable ruler contains the values for logs,which are used to aid multiplication and division. Logarithms are mathematical functions relating numbers to the powers of a set base number such as ten. Slide-rules have been superseded by the use of electronic calculators | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Saurer, Friedrich |
Bildgröße: | 3888 px × 2592 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |