Stopped Clocks
- A campaign to catalogue nonworking public clocks in the UK with the aim to having them renovated.
- http://www.stoppedclocks.com/

Save America's Clocks
- A nonprofit organisation dedicated to maintaining and renovating public clocks in the United States.
- http://www.clocks.org/

Atmos Clocks From Jaeger-LeCoultre
- Offering information on dating, history, care and restoration.
- http://www.atmosclocks.com

Vienna Regulators
- Includes illustrations and information on styles from 1815-1920 and clocks for sale.
- http://www.vienna-regulators.com/

Uk250.co.uk - Antiques Websites
- A collection of UK websites for antiques.
- http://www.uk250.co.uk/Antiques/index.html

Antique Horology
- The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
- http://www.antique-horology.org

Barrie's Virtual Museum of Clocks
- Pictures and information about antique and vintage clocks including grandfather, mantle and wall clocks. Electric and master clocks, time recorders and anything to do with horology.
- http://www.clock-museum.co.uk/

ClockHistory.Com
- History and information about Westclox, trade name of the Western Clock Manufacturing Company. Important dates, patents, advertisements, catalogs and online ordering of select reproduction replacement parts.
- http://clockhistory.com

Interstate Time Company
- Features a slide show on "Collecting Illinois Watches Without Going Broke", and discussion on private labeled Bunn Specials.
- http://www.interstatetime.com/

The Fascination of Old Clocks and Watches
- Information and pictures on pocket watches, mantel clocks, carriage clocks, marine chronometers, electric clocks, and wristwatches.
- http://www.faszination.ch/

Clocks and Time
- Horological directory of web sites for organizations, museums for clocks and watches, mailing lists, book reviews and a watch and clock FAQ.
- http://www.ubr.com/clocks/

The Astrolabe
- The history and uses of the astrolabe, a very ancient astronomical computer for solving problems relating to time and the position of the Sun and stars in the sky.
- http://www.astrolabes.org/

Sundials by François Blateyron
- Dedicated to sundials, with pictures and a freeware program to download.
- http://web.fc-net.fr/frb/sundials/

Attleboro Clocks Co. Research
- Dedicated to research on antique clocks with Attleboro Clock Co. Attleboro Mass on the dial.
- http://attleboroclocks.com