Kronometer marin (Malay Wikipedia)

Montgomery, Bruce G. "Keeping Precision Time When GPS Signals Stop". Cotts Journal Online. Diarkibkan daripada yang asal pada 2011-06-09. Dicapai pada 2007-09-22.

dodtechmatch.com

"Precise Time and Frequency for Navy Applications: The PICO Advanced Clock". DoD TechMatch, West Virginia High Technology Consortium Foundation. Diarkibkan daripada yang asal pada 2010-12-31. Dicapai pada 2007-09-22.

Hall, Basil (1833 1862). "Chapter XIV. Doubling the cape.". The Lieutenant and Commander. London: Bell and Daldy (via Gutenberg.org). OCLC 9305276. Dicapai pada 2007-11-09. Check date values in: |year= (bantuan)

Yachting Chronometer and Sextant Diarkibkan 2016-05-24 di Portuguese Web Archive, Accessed 25 May 2013, publisher=Nautische Instrumente

Norie, J. W. (1816). "To Find The Longitude of Chronometers or Time-Keepers". New and Complete Epitome of Practical Navigation. Diarkibkan daripada yang asal pada 2015-09-07. Dicapai pada 2014-08-24.

"A Chronology of Clocks". Diarkibkan daripada yang asal pada 2014-03-25. Dicapai pada 2014-08-24.
Norie, J. W. (1816). "To Find The Longitude of Chronometers or Time-Keepers". New and Complete Epitome of Practical Navigation. Diarkibkan daripada yang asal pada 2015-09-07. Dicapai pada 2014-08-24.
"International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (with amendments)". International Maritime Organization. Diarkibkan daripada yang asal pada 2007-07-03. Dicapai pada 2007-09-22.
Montgomery, Bruce G. "Keeping Precision Time When GPS Signals Stop". Cotts Journal Online. Diarkibkan daripada yang asal pada 2011-06-09. Dicapai pada 2007-09-22.
"Precise Time and Frequency for Navy Applications: The PICO Advanced Clock". DoD TechMatch, West Virginia High Technology Consortium Foundation. Diarkibkan daripada yang asal pada 2010-12-31. Dicapai pada 2007-09-22.

Landes, David S. (1983). Revolution in Time. Cambridge, MA: Belknap Press of Harvard University Press. m/s. 165. ISBN 0-674-76800-0. Cite has empty unknown parameter: |coauthors= (bantuan) Pierre Le Roy had developed the detached spring detent escapement around 1748, but abandoned the concept.
Hall, Basil (1833 1862). "Chapter XIV. Doubling the cape.". The Lieutenant and Commander. London: Bell and Daldy (via Gutenberg.org). OCLC 9305276. Dicapai pada 2007-11-09. Check date values in: |year= (bantuan)
Golding Bird (1867). The Elements of Natural Philosophy; Or, An Introduction to the Study of the Physical Sciences. J. Churchill and Sons. m/s. p545. Dicapai pada 2008-09-24. |pages= has extra text (bantuan)
Tony Jones (2000). Splitting the Second. CRC Press. m/s. p121. ISBN 0750306408. |pages= has extra text (bantuan)
Nathaniel Bowditch, Jonathan Ingersoll Bowditch (1826). The New American Practical Navigator. E. M. Blunt. m/s. p179. |pages= has extra text (bantuan)

Hall, Basil (1833 1862). "Chapter XIV. Doubling the cape.". The Lieutenant and Commander. London: Bell and Daldy (via Gutenberg.org). OCLC 9305276. Dicapai pada 2007-11-09. Check date values in: |year= (bantuan)