Stopclock. A digital stopclock,of a kind used in school experiments. This clock can be started and stopped either by external electrical signals or manually,and records periods to a precision of 1/100th second | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4195 px × 4194 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |