Timer meter,historical artwork. This device is a timer meter,a device designed to time a supply such as water or electricity. Here the clockwork mechanism is connected by a gauge (lower right) to the supply being measured timed. A similar set-up can be used when measuring the quantity of a supply being used | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kulyk, Mehau |
Bildgröße: | 3900 px × 4500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |