Calipers (English Wikipedia)

Colin A. Ronan; Joseph Needham (June 24, 1994). The Shorter Science and Civilisation in China: 4. Cambridge University Press. p. 36. ISBN 978-0-521-32995-8. adjustable outside caliper gauge... self-dated at AD 9. An abridged version.

cambridge.org (Global: 209^th place; English: 151^st place)

dictionary.cambridge.org

"calipers". Cambridge English Dictionary. Cambridge University Press. Retrieved April 22, 2023.

collinsdictionary.com (Global: 1,831^st place; English: 1,216^th place)

"caliper". Collins English Dictionary. HarperCollins Publishers. Retrieved April 22, 2023.

cultural-china.com (Global: low place; English: low place)

history.cultural-china.com

"Bronze Caliper of the Wang Mang Regime". Cultural-China.com. Archived from the original on August 31, 2014. Retrieved November 26, 2013.

cutwel.co.uk (Global: low place; English: low place)

"New Mahr 2015 Catalogue". cutwel.co.uk. Cutwel.

doi.org (Global: 2^nd place; English: 2^nd place)

Richard Leach (2014). "Abbe Error/Offset". CIRP Encyclopedia of Production Engineering. pp. 1–4. doi:10.1007/978-3-642-35950-7_16793-1. ISBN 978-3-642-35950-7.

grant-trebbin.com (Global: low place; English: low place)

Trebbin, Grant (April 20, 2014). "Digital Calliper Teardown and Repair". grant-trebbin.com. Grant Trebbin. Archived from the original on July 5, 2023. Retrieved October 11, 2023.

harborfreight.com (Global: low place; English: low place)

"6 in. Digital Caliper". harborfreight.com. Harbor Freight Tools. Archived from the original on March 16, 2015. Retrieved June 24, 2026.

mackinmfg.com (Global: low place; English: low place)

"Home". mackinmfg.com.

made-in-china.com (Global: low place; English: low place)

glanyi.en.made-in-china.com

"How does the Electronic Module Work?". Made-in-China.com. November 15, 2010. Archived from the original on August 12, 2017. Retrieved October 11, 2023.

merriam-webster.com (Global: 425^th place; English: 373^rd place)

"caliper". Merriam-Webster. Merriam-Webster Inc. Retrieved April 22, 2023.

mitutoyo.com (Global: low place; English: low place)

"ABS Coolant Proof Caliper; Coolant Proof Micrometer" (PDF). Mitutoyo. January 2005. Bulletin No. 1813-293/500. Archived from the original (PDF) on November 3, 2013.
"DRO System: Linear Scales & Counters" (PDF). Mitutoyo. n.d. p. 22. Bulletin No. 1715. Archived from the original (PDF) on November 3, 2013.
"Linear Gage" (PDF). Mitutoyo. n.d. p. 33. Catalog No. E4174-542/572/575. Archived from the original (PDF) on November 3, 2013.

msi-viking.com (Global: low place; English: low place)

"Digital Caliper". MSI-Viking.com. Archived from the original on July 26, 2007. Retrieved June 12, 2009.

patents.google.com (Global: 1,154^th place; English: 606^th place)

US5068653A, Klingler, Otto; Gruhler, Siegfried & Rivinius, Helmut, "Capacitive displacement measuring device with t-shaped scale coatings", issued November 26, 1991
DE3340782C2, Gruhler, Siegfried Dipl-Ing 7243 Vöhringen; Klingler, Otto Dr-Ing Dr 7238 Oberndorf & Rivinius, Helmut Dipl-Ing 7124 Bönningheim, "Capacitive length and angle measuring device", issued December 5, 1985

shumatech.com (Global: low place; English: low place)

"Chinese Scales". shumatech.com. Retrieved June 24, 2026.

starrett.com (Global: low place; English: low place)

"Slide Calipers" (PDF). Starrett.com. Archived from the original (PDF) on May 25, 2010. Retrieved June 25, 2010.

tinaja.com (Global: low place; English: low place)

Don Lancaster (February 2000). "Tech Musings, Vol. 145" (PDF). Tech Musings. Retrieved June 24, 2026 – via tinaja.com.
Don Lancaster (November 1999). "Tech Musings, Vol. 142" (PDF). p. 142.3. Retrieved June 24, 2026 – via tinaja.com.

tresnainstrument.com (Global: low place; English: low place)

"Accuracy of Calipers". tresnainstrument.com.

web.archive.org (Global: 1^st place; English: 1^st place)

"Bronze Caliper of the Wang Mang Regime". Cultural-China.com. Archived from the original on August 31, 2014. Retrieved November 26, 2013.
"Slide Calipers" (PDF). Starrett.com. Archived from the original (PDF) on May 25, 2010. Retrieved June 25, 2010.
"6 in. Digital Caliper". harborfreight.com. Harbor Freight Tools. Archived from the original on March 16, 2015. Retrieved June 24, 2026.
"Digital Caliper". MSI-Viking.com. Archived from the original on July 26, 2007. Retrieved June 12, 2009.
"How does the Electronic Module Work?". Made-in-China.com. November 15, 2010. Archived from the original on August 12, 2017. Retrieved October 11, 2023.
"HP54645D System A.02.07". Yadro.de. Archived from the original on July 19, 2011.
Müller, Nick. "How do the Digital Scales work?". Archived from the original on March 30, 2014.
Trebbin, Grant (April 20, 2014). "Digital Calliper Teardown and Repair". grant-trebbin.com. Grant Trebbin. Archived from the original on July 5, 2023. Retrieved October 11, 2023.
"ABS Coolant Proof Caliper; Coolant Proof Micrometer" (PDF). Mitutoyo. January 2005. Bulletin No. 1813-293/500. Archived from the original (PDF) on November 3, 2013.
"DRO System: Linear Scales & Counters" (PDF). Mitutoyo. n.d. p. 22. Bulletin No. 1715. Archived from the original (PDF) on November 3, 2013.
"Linear Gage" (PDF). Mitutoyo. n.d. p. 33. Catalog No. E4174-542/572/575. Archived from the original (PDF) on November 3, 2013.
"Protocols of Digital Scales". Yadro.de. Archived from the original on December 9, 2013.

yadro.de (Global: low place; English: low place)

"HP54645D System A.02.07". Yadro.de. Archived from the original on July 19, 2011.
Müller, Nick. "How do the Digital Scales work?". Archived from the original on March 30, 2014.
"Protocols of Digital Scales". Yadro.de. Archived from the original on December 9, 2013.

youtube.com (Global: 13^th place; English: 14^th place)

Inside a cheap set of eBay digital calipers. bigclivedotcom. 2021. Retrieved June 24, 2026 – via YouTube.

Calipers (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

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dictionary.cambridge.org

collinsdictionary.com (Global: 1,831st place; English: 1,216th place)

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history.cultural-china.com

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collinsdictionary.com (Global: 1,831^st place; English: 1,216^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

merriam-webster.com (Global: 425^th place; English: 373^rd place)

patents.google.com (Global: 1,154^th place; English: 606^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

youtube.com (Global: 13^th place; English: 14^th place)