Torsion pendulum clock (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Torsion pendulum clock" in English language version.

refsWebsite

Global rank English rank

2oldandsold.com

low place

low place

1web.archive.org

1^st place

1^st place

1clockscanada.com

low place

low place

clockscanada.com

Connolly, John (2007). "History of Torsion Suspension Clocks". Clocks Canada. Retrieved 2008-06-01.

oldandsold.com

"Four Hundred Day Clock". Encyclopedia of Antiques. Old and Sold Antique Marketplace. Retrieved 2008-04-20.
"Torsion Pendulum". Encyclopedia of Antiques. Old and Sold Antique Marketplace. Retrieved 2008-04-20.

web.archive.org

Hubby, John (16 Jan 2007). "Horolovar Springs-Hooks Law". 400-Day, Atmos and other Torsion Clocks, NAWCC (Mailing list).