English: Ancient drawing of a Nepalese hiti, with emphasis on the filter system. A swastika pattern can be seen clearly.
Date
Late the Malla period (before 1779 AD) according to expert Sudarshan Raj Tiwari.
Source
Water Conduits in the Kathmandu Valley (2 vols.) by Raimund O.A. Becker-Ritterspach, ISBN9788121506908, Published by Munshiram Manoharlal Publishers Pvt. Ltd., New Delhi, India, 1995.
Author
Unknown authorUnknown author
Licensing
Public domainPublic domainfalsefalse
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This work is in the public domain in Nepal because its copyright protection has expired or it is exempted from copyright by virtue of the Copyright Act, 2059 (2002) (details). The work meets one of the following criteria:
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It is a photographic work or work of applied art and 25 years have passed since the year the work was created (ie. as of 2025, works published prior to 1 January 2000 are considered public domain).
It is another kind of work, and 50 years (before 1 January 1975) have passed since the year of death of the author (or last-surviving author)
It is a "court judgement or administrative decision"