<human>: Question: What made Pacinotti's motor an important advancement?

Is In 1873, Gramme showed that his dynamo could be used as a motor, which he demonstrated to great effect at exhibitions in Vienna and Philadelphia by connecting two such DC motors at a distance of up to 2 km away from each other, one as a generator. a good answer to this question?

OPTIONS:
- yes
- no
<bot>: no