The clever trick comes as each photo’s orientation is determined, and not only is OCR used to read digits but also figures are derived from small dial meters and other indicators on the meter face.

The most common types of electricity meters are single-rate digital meters, variable-rate digital meters and dial meters, while the most common types of gas meters are digital metric, digital imperial ...

Analog resistance meters are instruments that measure electrical resistance. They display values on a dial, usually with a needle or moving pointer. Resistance, which is measured in ohms (W), is the ...