Quadrants (Astronomical instruments)

External links:

• Library of Congress (authority record)

Manuscripts:

• Dd. 6. 91 (University Library, Cambridge University) — 15th Century
• MS Arabic 375 (Wellcome Collection, Wellcome Trust) — 12th Century
• MS Arabic 377 (Wellcome Collection, Wellcome Trust) — 18th Century
• MS Arabic 383 (Wellcome Collection, Wellcome Trust) — 19th Century
• MS Arabic 593 (Wellcome Collection, Wellcome Trust) — 19th Century
• MS. Greaves 26 (Bodleian Library, Oxford University) — 17th Century
• MS. Selden superius 61 (Bodleian Library, Oxford University) — 14th Century
• MS. Selden superius 97 (Bodleian Library, Oxford University) — 16th Century
• O. 6 (University Library, Cambridge University)
• Or. 657 (University Library, Cambridge University) — 19th Century
• R.13.44 (Wren Library, Trinity College Cambridge)

The above references reflect only the current coverage of the online catalogue and may not be comprehensive.