| | Antique Swinging Arm Clock (Site not responding. Last check: 2007-10-22) |
 | | A clock face is the part of an analog clock that tells time through the use of a fixed numbered dial or dials and moving hand or hands. |
| | Battery operated digital clocks such as wrist watches use a quartz crystal oscillator for time keeping, whereas mains-powered clocks, such as bed-side alarm clocks, use typically the 50 or 60 hertz oscillation of AC power or a crystal oscillator as in a quartz movement. |
| | Clocks such as the antique swinging arm clock are in homes and offices; smaller ones (watches) are carried; larger ones are in public places, e.g. |
| www.free-antique-price-guides.com /antique-swinging-arm-clock.html (2017 words) |
