1. Some horologists consider the Jefferys timepiece the first true precision watch.

2. In the course of dining with the visiting horologist, Mudge waxed loquacious on the subject of H-

3. John Harrison, English horologist who invented the first practical marine Chronometer, which enabled navigators to compute accurately their longitude at sea

4. According to the foundry's manager, George Mears, the horologist Denison had used a hammer more than twice the maximum weight specified.