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This illustration of a phlebotomy knife appears in an eighteenth-century Judeo-Arabic medical manuscript. Bloodletting, thought to balance the humors of the body, was an accepted medical treatment at…
Contributor:
Atzlan ben Abraham al-Karaji
Date:
18th Century
Subjects:
Categories:
Public Access
Image
The Hebrew calendar uses a system of intercalation, adding an additional month to the calendar year to synchronize the regular twelve-month calendar with the moon, sun, and seasons. The Hebrew…
Contributor:
Ezra Dangur
Date:
1904